bigg_classes.tsv

compound	name	super_class	class	sub_class
cell4	Cellulose (n=4 repeating units)			
ppap	Propanoyl phosphate			
isobuta	Isobutyric acid			
mththf	(2R,4S)-2-methyl-2,3,3,4-tetrahydroxytetrahydrofuran			
2mpa	2 methylpropanoic acid			
arab__D	D-Arabinose			
acglu	N-Acetyl-L-glutamate			
ppat	Phosphonate			
gly_asn__L	Gly asn L C6H11N3O4			
R_3httdca	3 Hydroxytetradecanoic acid			
abg4	4-aminobenzoate-glutamate			
dca	Decanoate (n-C10:0)			
sheme	Siroheme C42H36FeN4O16			
feroxBfe	Ferrioxamine-B-fe			
glucan1500	Glucan (1500)			
glycogen1500	Glycogen (1500)
mn2	Manganese2			
g3pg	Glycerophosphoglycerol			
feenter	Fe-enterobactin			
23ccmp	2',3'-Cyclic CMP			
metox	L Methionine S oxide C5H11NO3S			
mmet	S-Methyl-L-methionine			
g3ps	Glycerophosphoserine			
lmn30	Laminarin (n=30 repeat units, beta -1,3 glc)			
cobalt2	Cobalt2			
s	Sulfur			
LalaDgluMdapDala	LalaDgluMdapDala			
LalaDgluMdap	LalaDgluMdap			
gam6p	D-Glucosamine 6-phosphate			
4hthr	4-Hydroxy-L-threonine			
cu2	Copper2			
cu	Copper			
zn	Zinc			
zn2	Zinc2			
fe3	Iron3			
anhgm	N-Acetylmuramic acid			
lcts	Lactose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
thm	Thiamine	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
26dap__M	Meso-2,6-Diaminoheptanedioate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
3cmp	3 CMP	Nucleosides, nucleotides, and analogues	Ribonucleoside 3'-phosphates	Ribonucleoside 3'-phosphates
5mtr	5-Methylthio-D-ribose	Organooxygen compounds	Carbohydrates and carbohydrate conjugates	Sugar acids and derivatives
chols	Choline sulfate	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal sulfates
citr__L	L-Citrulline	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
glyald	D-Glyceraldehyde	Organooxygen compounds	Carbohydrates and carbohydrate conjugates	Monosaccharides
id3acald	Indole 3 acetaldehyde	Organoheterocyclic compounds	Indoles and derivatives	Indoles and derivatives
malt	Maltose	Organooxygen compounds	Carbohydrates and carbohydrate conjugates	Oligosaccharides
pnto__R	(R)-Pantothenate	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
progly	Prolylglycine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
uaagmda	uaagmda	Organooxygen compounds	Carbohydrates and carbohydrate conjugates	Sugar acids and derivatives
udcpp	Undecaprenyl phosphate	Lipids and lipid-like molecules	Prenol lipids	Polyprenols
10fthf	10-Formyltetrahydrofolate	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
12ppd__S	(S)-Propane-1,2-diol	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
13Shocdcy1829Z11Ea	13S-hydroxyoctadecadienoic acid	Lipids and lipid-like molecules	Fatty Acyls	Lineolic acids and derivatives
13Shpocdcy1829Z11Ea	13-L-Hydroperoxylinoleic acid	Lipids and lipid-like molecules	Fatty Acyls	Lineolic acids and derivatives
13dpg	3-phosphonato-D-glyceroyl Phosphate(4-)	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
13oocdcy1829Z11Ea	13-OxoODE	Lipids and lipid-like molecules	Fatty Acyls	Lineolic acids and derivatives
15dap	Cadaverine	Organic nitrogen compounds	Organonitrogen compounds	Amines
1Dgali	Galactinol	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
1acpc	1-Aminocyclopropanecarboxylic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
1agpe140	LysoPE(14:0/0:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
1agpe160	LysoPE(16:0/0:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
1agpg180	1-Stearoylglycerophosphoglycerol	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoglycerols
1btol	1-Butanol	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
1ddecg3p	1-dodecanoyl-glycero-3-phosphate	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphates
1mncam	1-Methylnicotinamide	Organoheterocyclic compounds	Pyridines and derivatives	Pyridinecarboxylic acids and derivatives
1mpyr	1-Methylpyrrolinium	Organoheterocyclic compounds	Pyrrolines	
1odecg3p	LysoPA(18:0/0:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphates
1p3h5c	(3R,5S)-1-pyrroline-3-hydroxy-5-carboxylic Acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
1pipdn2c	D-1-Piperideine-2-carboxylic acid	Organoheterocyclic compounds	Pyridines and derivatives	Hydropyridines
1pipdn2c	1-piperideine-2-carboxylate	Organoheterocyclic compounds	Pyridines and derivatives	Hydropyridines
1pyr5c	1-Pyrroline-5-carboxylic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
1tdecg3p	1-tetradecanoyl-sn-glycero-3-phosphate	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphates
23cump	Uridine 2',3'-cyclic phosphate	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Cyclic pyrimidine nucleotides
23dappa	2,3-Diaminopropionic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
23dhb	2-Pyrocatechuic acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
23dhmb	(R)-2,3-Dihydroxy-isovalerate	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
23dhmp	(R) 2,3-Dihydroxy-3-methylvalerate	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
23doguln	Diketogulonic acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
23doguln	2,3-Diketo-L-gulonate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
23doguln	2,3-diketogulonate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
24dab	L-2,4-diaminobutyric acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
25aics	SAICAR	Nucleosides, nucleotides, and analogues	Imidazole ribonucleosides and ribonucleotides	1-ribosyl-imidazolecarboxamides
26dap_LL	Diaminopimelic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
26dmani	2,6-Dimethylaniline	Benzenoids	Benzene and substituted derivatives	Xylenes
2a3pp	2-Amino-3-phosphonopropionic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
2agpe140	LysoPE(0:0/14:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
2agpe160	LysoPE(0:0/16:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
2agpe180	LysoPE(0:0/18:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
2agpg180	2-Stearoylglycerophosphoglycerol	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoglycerols
2ahbut	(S)-2-Aceto-2-hydroxybutanoic acid	Organic acids and derivatives	Keto acids and derivatives	Short-chain keto acids and derivatives
2ahethmpp	2-(a-Hydroxyethyl)thiamine diphosphate	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
2amac	2-Aminoacrylic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
2ameph	Ciliatine	Organic acids and derivatives	Organic phosphonic acids and derivatives	Organic phosphonic acids
2aobut	L-2-Amino-3-oxobutanoic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
2coum	Coumaric acid	Phenylpropanoids and polyketides	Cinnamic acids and derivatives	Hydroxycinnamic acids and derivatives
2coum	Cis-2-coumarate	Phenylpropanoids and polyketides	Cinnamic acids and derivatives	Hydroxycinnamic acids and derivatives
2ddg6p	2-Keto-3-deoxy-6-phosphogluconic acid	Organic acids and derivatives	Keto acids and derivatives	Medium-chain keto acids and derivatives
2ddglcn	2-Keto-3-deoxy-D-gluconic acid	Organic acids and derivatives	Keto acids and derivatives	Medium-chain keto acids and derivatives
2dr1p	Deoxyribose 1-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
2h34hppr	2-Hydroxy-3-(4-hydroxyphenyl)propenoic acid	Benzenoids	Benzene and substituted derivatives	Phenylpyruvic acid derivatives
2h3opp	Tartronate semialdehyde	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
2h3oppan	Tartronate semialdehyde	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
hop	Tartronate semialdehyde	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
2hb	2-Hydroxybutyric acid	Organic acids and derivatives	Hydroxy acids and derivatives	Alpha hydroxy acids and derivatives
2hbut	2-Hydroxybutyric acid	Organic acids and derivatives	Hydroxy acids and derivatives	Alpha hydroxy acids and derivatives
2hdecg3p	LysoPA(0:0/16:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphates
2hog	2-Hydroxyglutarate	Organic acids and derivatives	Hydroxy acids and derivatives	Short-chain hydroxy acids and derivatives
2hp6mp	2-Hexaprenyl-6-methoxyphenol	Lipids and lipid-like molecules	Prenol lipids	Polyprenylphenols
2hxmp	2-Hydroxybenzyl alcohol	Benzenoids	Benzene and substituted derivatives	Benzyl alcohols
2hymeph	2-Hydroxybenzyl alcohol	Benzenoids	Benzene and substituted derivatives	Benzyl alcohols
2hyoxplac	Ortho-Hydroxyphenylacetic acid	Benzenoids	Benzene and substituted derivatives	Phenylacetic acids
2ippm	Isopropylmaleate	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
2kmb	2-Oxo-4-methylthiobutanoic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
4met2obut	2-Oxo-4-methylthiobutanoic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
2maacoa	2-Methylacetoacetyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
2mb2coa	Tiglyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
2mb2coa	2-methylcrotonoyl-CoA(4-)	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
2mbac	2-Methylbutyl acetate	Organic acids and derivatives	Carboxylic acids and derivatives	Carboxylic acid derivatives
2mbald	(±)-2-Methylbutanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
2mbcoa	2-Methylbutyryl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
2mbdhl	S-(2-Methylbutanoyl)-dihydrolipoamide	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
HC01376	S-(2-Methylbutanoyl)-dihydrolipoamide	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
2mbtoh	(S)-2-Methyl-1-butanol	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
2mcacn	cis-2-Methylaconitate	Organic acids and derivatives	Carboxylic acids and derivatives	Tricarboxylic acids and derivatives
2mcit	2-Methylcitric acid	Organic acids and derivatives	Carboxylic acids and derivatives	Tricarboxylic acids and derivatives
2mhob	2-Methyl-1-hydroxybutyl-ThPP	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
2mhop	2-Methyl-1-hydroxypropyl-ThPP	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
2mop	2-Methyl-3-oxopropanoic acid	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
2mp2coa	Methacrylyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
2mpdhl	S-(2-Methylpropionyl)-dihydrolipoamide-E	Lipids and lipid-like molecules	Fatty Acyls	Fatty amides
2mppal	2-Methylpropanal	Organooxygen compounds	Carbonyl compounds	Aldehydes
2obut	2-Ketobutyric acid	Organic acids and derivatives	Keto acids and derivatives	Short-chain keto acids and derivatives
2odecg3p	LysoPA(0:0/18:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphates
2ommbl	2-Octaprenyl-3-methyl-6-methoxy-1,4-benzoquinol	Lipids and lipid-like molecules	Prenol lipids	Sesterterpenoids
2oxoadp	Oxoadipic acid	Organic acids and derivatives	Keto acids and derivatives	Medium-chain keto acids and derivatives
2pcpgc	2-(3,4-Dihydroxybenzoyloxy)-4,6-dihydroxybenzoate	Phenylpropanoids and polyketides	Depsides and depsidones	
2pg	2-Phospho-D-glyceric acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
2pg	2-phosphonato-D-glycerate(3-)	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
2pglyc	Phosphoglycolic acid	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
2phetoh	2-Phenylethanol	Benzenoids	Benzene and substituted derivatives	
2ppoh	Isopropyl alcohol	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
34dhbald	3,4-Dihydroxybenzaldehyde	Benzenoids	Benzene and substituted derivatives	Benzaldehydes
34dhbz	Protocatechuic acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
34dhcinm	Caffeic acid	Phenylpropanoids and polyketides	Cinnamic acids and derivatives	Hydroxycinnamic acids and derivatives
34dhcinm	3,4-Dihydroxy-trans-cinnamate	Phenylpropanoids and polyketides	Cinnamic acids and derivatives	Hydroxycinnamic acids and derivatives
34dhmald	3,4-Dihydroxymandelaldehyde	Benzenoids	Benzene and substituted derivatives	Phenylacetaldehydes
34dhoxpeg	3,4-Dihydroxyphenylglycol	Benzenoids	Phenols	Benzenediols
34dhpac	3,4-Dihydroxyphenylacetaldehyde	Benzenoids	Benzene and substituted derivatives	Phenylacetaldehydes
34dhpacet	3,4-Dihydroxybenzeneacetic acid	Benzenoids	Phenols	Benzenediols
34dhpha	3,4-Dihydroxybenzeneacetic acid	Benzenoids	Phenols	Benzenediols
34hpl	Hydroxyphenyllactic acid	Phenylpropanoids and polyketides	Phenylpropanoic acids	
34hpp	4-Hydroxyphenylpyruvic acid	Benzenoids	Benzene and substituted derivatives	Phenylpyruvic acid derivatives
35cgmp	Cyclic GMP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Cyclic purine nucleotides
36dahx	(3S)-3,6-Diaminohexanoate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
3aap	Acetamidopropanal	Organooxygen compounds	Carbonyl compounds	Aldehydes
3aib	(R)-b-aminoisobutyric acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
3amba	3-Aminobutanoic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
3amp	3'-AMP	Nucleosides, nucleotides, and analogues	Ribonucleoside 3'-phosphates	
3c4mop	2-Isopropyl-3-oxosuccinate	Organic acids and derivatives	Keto acids and derivatives	Short-chain keto acids and derivatives
3ddcrn	3-hydroxydodecanoyl carnitine	Lipids and lipid-like molecules	Fatty Acyls	Fatty acid esters
3deccrn	3-hydroxydecanoyl carnitine	Lipids and lipid-like molecules	Fatty Acyls	Fatty acid esters
3dh5hpb	3-Hexaprenyl-4,5-Dihydroxybenzoic acid	Lipids and lipid-like molecules	Prenol lipids	Polyprenylphenols
3dhguln	3-Dehydro-L-gulonate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
3dhq	3-Dehydroquinate	Organooxygen compounds	Alcohols and polyols	Cyclic alcohols and derivatives
3dsphgn	3-Dehydrosphinganine	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
3dsphgn	3-dehydrosphinganinium(1+)	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
3hadpcoa	(3S)-3-Hydroxyadipyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hadpcoa	3-Hydroxypentanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hanthrn	3-Hydroxyanthranilic acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
3hbcoa	(S)-3-Hydroxybutyryl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hbycoa	(S)-3-Hydroxybutyryl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hcinnm	m-Coumaric acid	Phenylpropanoids and polyketides	Cinnamic acids and derivatives	Hydroxycinnamic acids and derivatives
3hdcoa	(S)-Hydroxydecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hddcoa	(S)-3-Hydroxydodecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hddcoa	3S-hydroxydodecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hexdcrn	3-Hydroxyhexadecanoylcarnitine	Organic acids and derivatives	Hydroxy acids and derivatives	Beta hydroxy acids and derivatives
3hexdcrn	3-hydroxyhexadecanoyl carnitine	Lipids and lipid-like molecules	Fatty Acyls	Fatty acid esters
3hhcoa	(S)-Hydroxyhexanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hhcoa	3S-hydroxy-hexanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hhdcoa	(S)-3-Hydroxyhexadecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hhdcoa	3S-hydroxyhexadecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hib	(S)-3-Hydroxyisobutyric acid	Organic acids and derivatives	Hydroxy acids and derivatives	Beta hydroxy acids and derivatives
3hibutcoa	(S)-3-Hydroxyisobutyryl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
hibcoa	(S)-3-Hydroxyisobutyryl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hivcoa	3-Hydroxyisovaleryl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hlido	3-Hydroxylidocaine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
3hmbcoa	2-Methyl-3-hydroxybutyryl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hmp	3-hydroxy-2-isobutyrate	Organic acids and derivatives	Hydroxy acids and derivatives	Beta hydroxy acids and derivatives
3hocoa	(S)-Hydroxyoctanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hoxpac	3-Hydroxyphenylacetic acid	Benzenoids	Phenols	1-hydroxy-4-unsubstituted benzenoids
3hpcoa	3-hydroxypropanoyl-CoA(4-)	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hph5mb	3-Hexaprenyl-4-hydroxy-5-methoxybenzoic acid	Lipids and lipid-like molecules	Prenol lipids	Polyprenylphenols
3hpimcoa	3-Hydroxypimelyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hpp	Hydroxypropionic acid	Organic acids and derivatives	Hydroxy acids and derivatives	Beta hydroxy acids and derivatives
3hppnl	3-Hydroxypropanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
3hpppn	3-(3-Hydroxyphenyl)propanoic acid	Phenylpropanoids and polyketides	Phenylpropanoic acids	
3htdcoa	(S)-3-Hydroxytetradecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3hxkynam	3-Hydroxykynurenamine	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
3mb	Isovaleric acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
3mb2coa	3-Methylcrotonyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3mbald	Iso-Valeraldehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
3mbzald	3-Methylbenzaldehyde	Benzenoids	Benzene and substituted derivatives	Benzoyl derivatives
3mgcoa	3-Methylglutaconyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3mhtpp	3-Methyl-1-hydroxybutyl-ThPP	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
3mob	alpha-Ketoisovaleric acid	Organic acids and derivatives	Keto acids and derivatives	Short-chain keto acids and derivatives
3mox4hpac	Homovanillin	Benzenoids	Phenols	Methoxyphenols
3moxtyr	3-Methoxytyramine	Benzenoids	Phenols	Methoxyphenols
3mtp	3-Methylthiopropionic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
C08276	3-Methylthiopropionic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
mtpp	3-Methylthiopropionic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
3odcoa	3-Oxodecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3oddcoa	3-Oxododecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3oddcoa	3-oxo-dodecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3ohcoa	3-Oxohexanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3ohcoa	3-oxo-hexanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3ohdcoa	3-Oxohexadecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3ohodcoa	3-Oxooctadecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3ohxccoa	3-Oxohexacosyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3ohxccoa	3-Oxohexacosanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3ophb_5	3-Hexaprenyl-4-hydroxybenzoic acid	Lipids and lipid-like molecules	Prenol lipids	Polyprenylphenols
3otdcoa	3-Oxotetradecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
3oxoadp	3-Oxoadipic acid	Organic acids and derivatives	Keto acids and derivatives	Medium-chain keto acids and derivatives
3pg	(2R)-2-Hydroxy-3-(phosphonatooxy)propanoate	Organooxygen compounds	Carbohydrates and carbohydrate conjugates	Sugar acids and derivatives
3php	Phosphohydroxypyruvic acid	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
3sala	3-Sulfinoalanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
3sala	3-Sulfinato-L-alaninate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
3spyr	3-Sulfopyruvic acid	Organic acids and derivatives	Keto acids and derivatives	Alpha-keto acids and derivatives
3tdcrn	3-hydroxytetradecanoyl carnitine	Lipids and lipid-like molecules	Fatty Acyls	Fatty acid esters
3uib	Ureidoisobutyric acid	Organic acids and derivatives	Organic carbonic acids and derivatives	Ureas
3ump	3'-UMP	Nucleosides, nucleotides, and analogues	Ribonucleoside 3'-phosphates	
46dhoxquin	4,6-Dihydroxyquinoline	Organoheterocyclic compounds	Quinolines and derivatives	Quinolones and derivatives
48dhoxquin	Quinoline-4,8-diol	Organoheterocyclic compounds	Quinolines and derivatives	Quinolones and derivatives
4aabutn	4-Acetamidobutanoic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
4abut	gamma-Aminobutyric acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
4abutn	4-Aminobutyraldehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
4abz	p-Aminobenzoic acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
4crsol	p-Cresol	Benzenoids	Phenols	Cresols
4fumacac	4-Fumarylacetoacetic acid	Organic acids and derivatives	Keto acids and derivatives	Medium-chain keto acids and derivatives
4gudbutn	4-Guanidinobutanoic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
4h2oglt	4-Hydroxy-2-oxoglutaric acid	Organic acids and derivatives	Keto acids and derivatives	Gamma-keto acids and derivatives
4h3npac	4-hydroxy-3-nitrophenylacetate	Organic compounds	Benzenoids	Phenols
CE1957	4-hydroxy-3-nitrophenylacetate	Organic compounds	Benzenoids	Phenols
4hba	4-Hydroxybenzyl alcohol	Benzenoids	Benzene and substituted derivatives	Benzyl alcohols
4hbald	4-Hydroxybenzaldehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
4hbz	4-Hydroxybenzoic acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
4hbzcoa	4-hydroxybenzoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
4hbzcoa	4-Hydroxybenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
4hglu	4-Hydroxy-L-glutamic acid	Organic compounds	Organic acids and derivatives	Carboxylic acids and derivatives
4hglusa	L-4-Hydroxyglutamate semialdehyde	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
4hoxpac	p-Hydroxyphenylacetic acid	Benzenoids	Phenols	1-hydroxy-2-unsubstituted benzenoids
4hoxpacd	4-Hydroxyphenylacetaldehyde	Benzenoids	Benzene and substituted derivatives	Phenylacetaldehydes
4hphac	4-Hydroxyphenyl acetate	Benzenoids	Phenol esters	
4izp	5-(2-carboxylatoethyl)-4-oxo-4,5-dihydro-1H-imidazol-5-ide	Organoheterocyclic compounds	Azoles	Imidazoles
4mbzalc	4-Methylbenzyl alcohol	Benzenoids	Benzene and substituted derivatives	Benzyl alcohols
4mbzald	4-Methylbenzaldehyde	Benzenoids	Benzene and substituted derivatives	Benzoyl derivatives
4mcat	4-Methylcatechol	Benzenoids	Phenols	Benzenediols
4mhetz	5-(2-Hydroxyethyl)-4-methylthiazole	Organoheterocyclic compounds	Azoles	Thiazoles
4mlacac	Maleylacetoacetic acid	Organic acids and derivatives	Keto acids and derivatives	Medium-chain keto acids and derivatives
4mop	Ketoleucine	Organic acids and derivatives	Keto acids and derivatives	Short-chain keto acids and derivatives
4mzym_int1	4-Methylzymosterol intermediate 1	Lipids and lipid-like molecules	Prenol lipids	Triterpenoids
4mzym_int2	4-Methylzymosterol intermediate 2	Lipids and lipid-like molecules	Steroids and steroid derivatives	Cholestane steroids
4pasp	L-Aspartyl-4-phosphate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
4ppan	D-4'-Phosphopantothenate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
4ppan	(R)-4'-phosphonatopantothenate(3-)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
4tmeabutn	4-Trimethylammoniobutanoic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
gbbtn	4-Trimethylammoniobutanoic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
56dh5flura	5,6-Dihydro-5-fluorouracil	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
56dthm	Dihydrothymine	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
56dura	Dihydrouracil	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
5a2opntn	5-Amino-2-oxopentanoic acid	Organic acids and derivatives	Keto acids and derivatives	Short-chain keto acids and derivatives
5aizc	5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
5aizc	5-Phosphoribosyl-4-carboxy-5-aminoimidazole	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
5aop	5-Aminolevulinic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
5apentam	5-Aminopentanamide	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
5aprbu	5-Amino-6-(5'-phosphoribitylamino)uracil	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
5aptn	5-Aminopentanoic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
5caiz	N5-Carboxyaminoimidazole ribonucleotide	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
5dpmev	(S)-5-Diphosphomevalonic acid	Organic oxygen compounds	Organic oxoanionic compounds	Organic pyrophosphates
5flura	Fluorouracil	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
5flurimp	5-Fluorouridine monophosphate	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine ribonucleotides
5forthf	5-Formiminotetrahydrofolic acid	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
5fthf	Folinic acid	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
5fthf	(6S)-5-formyltetrahydrofolate(2-)	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
5g2oxpt	2-Oxoarginine	Organic acids and derivatives	Keto acids and derivatives	Short-chain keto acids and derivatives
5hiu	5-Hydroxyisourate	Alkaloids and derivatives		
C11821	5-Hydroxyisourate	Alkaloids and derivatives		
5houdic	5-hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
houdic	5-hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
5hoxindact	5-Hydroxyindoleacetaldehyde	Organoheterocyclic compounds	Indoles and derivatives	Hydroxyindoles
5hxkynam	5-Hydroxykynurenamine	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
5mcsn	5-Methylcytosine	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
5mdru1p	5-Methylthioribulose 1-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
5moxact	5-Methoxyindoleacetate	Organoheterocyclic compounds	Indoles and derivatives	Indolyl carboxylic acids and derivatives
5mta	5'-Methylthioadenosine	Nucleosides, nucleotides, and analogues	5'-deoxyribonucleosides	5'-deoxy-5'-thionucleosides
5mthf	5-Methyltetrahydrofolic acid	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
5oxpro	Pyrrolidonecarboxylic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
5oxpro	5-Oxoprolinate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
5pmev	Mevalonic acid-5P	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
5prdmbz	N1-(5-Phospho-a-D-ribosyl)-5,6-dimethylbenzimidazole	Nucleosides, nucleotides, and analogues	Benzimidazole ribonucleosides and ribonucleotides	
6a2ohxnt	2-Keto-6-aminocaproate	Organic acids and derivatives	Keto acids and derivatives	Medium-chain keto acids and derivatives
6ampenc	6-Aminopenicillanic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
6apa	6-Aminopenicillanic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
6ax	Aminocaproic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
6dg	Melibiose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
6hch1eccoa	6-Hydroxycyclohex-1-ene-1-carboxyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
6hnac	6-Hydroxynicotinic acid	Organoheterocyclic compounds	Pyridines and derivatives	Pyridinecarboxylic acids and derivatives
6mpur	Mercaptopurine	Organoheterocyclic compounds	Imidazopyrimidines	Purines and purine derivatives
6occhcoa	6-Oxocyclohex-1-ene-1-carboxyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
6pgc	6-Phosphogluconic acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
6pgc	6-phosphonatooxy-D-gluconate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
6pgl	6-Phosphonoglucono-D-lactone	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
6pgl	6-O-phosphonato-D-glucono-1,5-lactone(2-)	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
6tgsnmp	6-Thioguanosine monophosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
6tgsnmp	6-Thioguanylic acid	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
6tins5mp	6-Thioinosine-5'-monophosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
6txan5mp	6-Thioxanthine 5'-monophosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
B_ara1p	Beta-L-arabinose 1-phosphate	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
C01601	Pelargonic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
nona	Pelargonic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
C02147	Dihydrolipoate	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
C02356	L-alpha-Aminobutyric acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
C02442	N-Methyltyramine	Benzenoids	Benzene and substituted derivatives	Phenethylamines
C02470	Xanthurenic acid	Organoheterocyclic compounds	Quinolines and derivatives	Quinoline carboxylic acids
C02528	Chenodeoxycholic acid	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
C02744	Psychosine sulfate	Lipids and lipid-like molecules	Sphingolipids	Glycosphingolipids
C03413	N1,N12-Diacetylspermine	Organic acids and derivatives	Carboximidic acids and derivatives	Carboximidic acids
C03413	N(1),N(12)-diacetylsperminium(2+)	Organic acids and derivatives	Carboxylic acids and derivatives	Carboxylic acid derivatives
C03577	20-Hydroxy-leukotriene E4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
C03693	D-Mannose 1,6-bisphosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
C03958	Thyrotropin releasing hormone	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
C04051	5-Aminoimidazole-4-carboxamide	Organoheterocyclic compounds	Azoles	Imidazoles
C04843	(5Z,9E,12S,14Z)-8,11,12-Trihydroxyicosa-5,9,14-trienoate	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
C04849	(5Z,9E,14Z)-(8xi,11R,12S)-11,12-epoxy-8-hydroxyicosa-5,9,14-trienoic Acid	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
C05284	11b-Hydroxyandrost-4-ene-3,17-dione	Lipids and lipid-like molecules	Steroids and steroid derivatives	Androstane steroids
C05298	2-Hydroxyestrone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Estrane steroids
C05299	2-Methoxyestrone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Estrane steroids
C05300	16a-Hydroxyestrone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Estrane steroids
C05301	2-Hydroxyestradiol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Estrane steroids
C05708	Selenomethionine se-oxide	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
C05957	Prostaglandin J2	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
C06199	Hordenine	Benzenoids	Benzene and substituted derivatives	Phenethylamines
C06314	Lipoxin A4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
C06315	Lipoxin B4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
C06350	(R,S)-Norlaudanosoline	Organoheterocyclic compounds	Isoquinolines and derivatives	Benzylisoquinolines
C06453	Methylcobalamin	Organic compounds	Organoheterocyclic compounds	Tetrapyrroles and derivatives
C06948	Diazepam	Organoheterocyclic compounds	Benzodiazepines	1,4-benzodiazepines
C07486	Nordiazepam	Organoheterocyclic compounds	Benzodiazepines	1,4-benzodiazepines
C07535	Benzo[a]pyrene	Benzenoids	Pyrenes	Benzopyrenes
C09209	Harman	Alkaloids and derivatives	Harmala alkaloids	
C09640	(-)-Salsoline	Organoheterocyclic compounds	Tetrahydroisoquinolines	
C09642	Salsolinol	Organoheterocyclic compounds	Tetrahydroisoquinolines	
C11304	S-(PGA1)-glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
C11695	Anandamide	Organic nitrogen compounds	Organonitrogen compounds	Amines
C13856	2-Arachidonylglycerol	Lipids and lipid-like molecules	Endocannabinoids	
C14768	5,6-Epoxy-8,11,14-eicosatrienoic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
C14769	8,9-Epoxyeicosatrienoic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
C14771	14,15-Epoxy-5,8,11-eicosatrienoic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
C14825	9,10-Epoxyoctadecenoic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
C14849	Benzo[a]pyrene-9,10-oxide	Benzenoids	Pyrenes	
C14851	Benzo[a]pyrene-4,5-oxide	Benzenoids	Phenanthrenes and derivatives	Chrysenes
CE0074	Alloxan	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
CE0233	5beta-Cholestane-3alpha,7alpha,27-triol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Cholestane steroids
CE0347	12S-hydroxy-5E,8Z,10Z,14Z-eicosatetraenoic acid	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE0737	Malondialdehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
CE0955	6-Keto-prostaglandin F1a	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE1059	N1,N8-Diacetylspermidine	Organic acids and derivatives	Carboxylic acids and derivatives	Carboxylic acid derivatives
CE1102	cis-(3S)-hydroxytetradec-7-enoyl-CoA	Benzenoids	Naphthalenes	Chloronaphthalenes
CE1243	12S-HHT	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
CE1274	3alpha,7alpha,12alpha,25-Tetrahydroxy-5beta-cholestane-24-one	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
CE1277	5beta-cholestane-3alpha,7alpha,12alpha,23,25-pentol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
CE1294	27alpha-Hydroxy-8-dehydrocholesterol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
CE1298	3beta-Hydroxy-5-cholestenal	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
CE1401	Homocysteine thiolactone	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE1447	11-Dehydro-thromboxane B2	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE1554	N-Acetyl-L-alanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE1589	Deoxycholoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE1617	9-cis-Retinoic acid	Lipids and lipid-like molecules	Prenol lipids	Retinoids
CE1617	9,13-cis-Retinoic acid	Lipids and lipid-like molecules	Prenol lipids	Retinoids
CE1787	L-Aspartic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5868	L-Aspartic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
asp__L	L-Aspartic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE1787	1-deoxy-1-(N6-lysino)-D-fructose	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5868	1-deoxy-1-(N6-lysino)-D-fructose	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
asp__L	1-deoxy-1-(N6-lysino)-D-fructose	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE1787	N-acetyl-seryl-aspartate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5868	N-acetyl-seryl-aspartate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
asp__L	N-acetyl-seryl-aspartate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE1918	5-Hydroxytryptophol	Organoheterocyclic compounds	Indoles and derivatives	Hydroxyindoles
CE1925	3'-carboxy-alpha-chromanol	Organoheterocyclic compounds	Benzopyrans	1-benzopyrans
CE1936	Spermine dialdehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
CE1937	Spermic acid 1	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE1941	Isoputreanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE1944	1-Pyrrolinium	Organoheterocyclic compounds	Pyrrolines	
CE2006	4-Hydroxynonenal	Lipids and lipid-like molecules	Fatty Acyls	Fatty alcohols
CE2011	Hypothiocyanite	Organosulfur compounds	Thiocyanates	
CE2020	N-Arachidonoyl glycine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE2020	N-arachidonoylglycinate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE2028	3-Hydroxyisovaleric acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
CE2047	9,10-DHOME	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
CE2053	20-oxo-leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE2056	20-dihydroxyleukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE2065	Acetylcarnosine	Organic acids and derivatives	Peptidomimetics	Hybrid peptides
CE2072	Putreanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE2084	5-KETE	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
CE2102	Lipoyllysine	Organoheterocyclic compounds	Dithiolanes	Lipoamides
CE2122	Indole-3-methyl acetate	Organoheterocyclic compounds	Indoles and derivatives	Indolyl carboxylic acids and derivatives
CE2152	1,2,3,4-Tetrahydro-beta-carboline	Organoheterocyclic compounds	Indoles and derivatives	Pyridoindoles
CE2173	N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline	Organoheterocyclic compounds	Tetrahydroisoquinolines	
CE2174	4,6,7-Trihydroxy-1,2,3,4-tetrahydroisoquinoline	Organoheterocyclic compounds	Tetrahydroisoquinolines	
CE2176	3-O-Methyl-a-methyldopa	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE2180	4-Hydroxyestrone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Estrane steroids
CE2184	2-Hydroxy-3-methoxyestrone	Organic acids and derivatives	Hydroxy acids and derivatives	Beta hydroxy acids and derivatives
CE2186	4-Methoxy-17beta-estradiol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Estrane steroids
CE2189	4-Methoxyestrone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Estrane steroids
CE2196	(R)-1,2-dimethyl-5,6-dihydroxy-tetrahydroisoquinoline	Organoheterocyclic compounds	Tetrahydroisoquinolines	
CE2201	23S,25-dihydroxyvitamin D3	Lipids and lipid-like molecules	Steroids and steroid derivatives	Vitamin D and derivatives
CE2202	23S,25,26-Trihydroxyvitamin D3	Lipids and lipid-like molecules	Steroids and steroid derivatives	Vitamin D and derivatives
CE2203	25-Hydroxyvitamin D3-26,23-lactol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Vitamin D and derivatives
CE2204	25-Hydroxyvitamin D3-26,23-lactone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Vitamin D and derivatives
CE2206	24-Oxo-1alpha,25-dihydroxyvitamin D3	Lipids and lipid-like molecules	Steroids and steroid derivatives	Vitamin D and derivatives
CE2207	24-Oxo-1alpha,23,25-trihydroxyvitamin D3	Lipids and lipid-like molecules	Steroids and steroid derivatives	Vitamin D and derivatives
CE2209	Dihydroandrosterone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Androstane steroids
CE2211	Allopregnanolone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Pregnane steroids
CE2211	Alloepipregnanolone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Pregnane steroids
CE2242	(2E)-Docosenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE2246	3-Hydroxydocosanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE2248	3-hydroxyoctadecanoyl-CoA	Organic compounds	Lipids and lipid-like molecules	Fatty Acyls
CE2249	3-Hydroxytetracosanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE2250	3-Oxodocosanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE2251	3-Oxoicosanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE2251	3-Oxoeicosanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE2253	3-Oxotetracosanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE2303	9-Hydroxy-10-O-D-glucuronoside-12Z-octadecenoate	Lipids and lipid-like molecules	Saccharolipids	
CE2304	10-Hydroxy-octadec-12Z-enoate-9-beta-D-glucuronide	Lipids and lipid-like molecules	Saccharolipids	
CE2305	12-Hydroxy-13-O-D-glucuronoside-octadec-9Z-enoate	Lipids and lipid-like molecules	Saccharolipids	
CE2306	12-O-D-Glucuronoside-13-hydroxyoctadec-9Z-enoate	Lipids and lipid-like molecules	Saccharolipids	
CE2313	4,4-Dimethylcholesta-8(9),14-dien-3beta-ol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Cholestane steroids
CE2314	4,4-Dimethyl-5a-cholesta-8-en-3b-ol	Lipids and lipid-like molecules	Prenol lipids	Triterpenoids
CE2418	(3S)-3-Hydroxy-cis,cis-palmito-7,10-dienoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE2420	(3S)-3-Hydroxydodec-cis-6-enoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE2421	(3S)-3-Hydroxylinoleoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE2445	6-trans-Leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE2516	8,11,14-Eicosatrienoic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
CE2565	15R-hydroxy-5Z,8Z,11Z,13E-eicosatetraenoic acid	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE2568	15-Epi-lipoxin A4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE2576	4-Hydroperoxy-2-nonenal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
CE2577	4-Oxo-2-nonenal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
CE2592	(S)-3-hydroxypalmitoleoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE2597	3(S)-3-hydroxydodecen-(5Z)-oyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE2754	Reverse-triiodthyronine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
HC02187	Reverse-triiodthyronine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE2838	Maltononaose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
CE2839	Maltodecaose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
CE2847	Fructoseglycine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE2858	Dynorphin A 1-8	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE2863	Neurotensin 11-13	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE2872	3,5-Dimethoxybenzaldehyde	Benzenoids	Benzene and substituted derivatives	Methoxybenzenes
CE2874	3'-monoiodo-L-thyronine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE2875	3'-Monoiodo-L-thyronine 4'-O-sulfate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE2876	3',5'-Diiodo-L-thyronine-beta-D-glucuronoside	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE2890	Dynorphin A (6-8)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE2891	Dynorphin B	Organic Polymers	Polypeptides	
CE2916	Neocasomorphin	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE2917	Apelin-13	Organic Polymers	Polypeptides	
CE2934	2-Methylhippuric acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
CE2947	Xanthurenate-8-O-beta-D-glucoside	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
CE2953	rac-5,6-Epoxy-retinoate	Lipids and lipid-like molecules	Prenol lipids	Retinoids
CE2955	all-trans-3,4-Didehydroretinoate	Lipids and lipid-like molecules	Prenol lipids	Retinoids
CE2958	rac-5,6-Epoxy-retinoyl-beta-D-glucuronide	Lipids and lipid-like molecules	Prenol lipids	Terpene glycosides
CE2961	4-Hydroxy-all-trans-retinyl acetate	Lipids and lipid-like molecules	Prenol lipids	Retinoids
CE2962	rac-4-Hydroxy-4-O-(beta-D-glucuronide)-all-trans-retinyl acetate	Lipids and lipid-like molecules	Prenol lipids	Terpene glycosides
CE3038	3beta,7alpha-Dihydroxy-5-cholestenoate	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
CE3075	sorbitol 3-phosphate	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
CE3086	4-(2-amino-3-hydroxyphenyl)-4-oxobutanoic acid O-glucoside	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
CE3087	Beta-Carboline	Organoheterocyclic compounds	Indoles and derivatives	Pyridoindoles
CE3140	1-(1,2,3,4,5-Pentahydroxypent-1-yl)-1,2,3,4-tetrahydro-beta-carboline-3-carboxylate	Alkaloids and derivatives	Harmala alkaloids	
CE3481	1-Lyso-2-arachidonoyl-phosphatidate	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphates
CE3554	20-Trihydroxy-leukotriene-B4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE4633	Hypochlorite	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal hypochlorites
CE4633	HClO	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal hypochlorites
CE4722	beta-Casomorphin (1-6)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE4723	Neocasomorphin (1-5)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE4724	Apelin (1-12)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE4753	Dynorphin B (10-13)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE4754	Dynorphin B (6-9)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE4816	2-trans-9,12,15,18,21-all-cis-Tetracosahexaenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4817	3(S)-Hydroxy-docosa-7,10,13,16,19-all-cis-pentaenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4818	3(S)-Hydroxy-tetracosa-9,12,15,18,21-all-cis-pentaenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4819	3-Oxo-docosa-7,10,13,16,19-all-cis-pentaenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4820	3-oxo-all-cis-6,9,12,15,18-Tetracosapentaenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4821	2-trans-7,10,13,16,19-all-cis-Docosahexaenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4824	Tetracosa-9,12,15,18,21-all-cis-pentaenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4830	2-trans-9,12,15,18-all-cis-Tetracosapentaenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4831	3(S)-Hydroxy-docosa-7,10,13,16-all-cis-tetraenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4833	3-Oxo-docosa-7,10,13,16-all-cis-tetraenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4834	3-Oxo-tetracosa-9,12,15,18-all-cis-tetraenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4835	2E,7Z,10Z,13Z,16Z-Docosapentaenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4837	Tetracosa-9,12,15,18-all-cis-tetraenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4840	(3S)-Hydroxy-eicosa-cis,cis-11,14-dienoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4841	3-Oxoeicosa-cis,cis-11,14-dienoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4842	trans,cis,cis-2,11,14-Eicosatrienoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4843	cis,cis-11,14-Eicosadienoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4844	3(S)-Hydroxy-10,13,16-all-cis-docosatrienoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4845	3-Oxo-docosa-cis,cis,cis-10,13,16-trienoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4846	trans,cis,cis,cis-2,10,13,16-Docosatetraenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4847	cis,cis,cis-10,13,16-Docosatrienoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4848	3(S)-Hydroxy-docosa-10,13,16,19-all-cis-tetraenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4849	3(S)-Hydroxy-tetracosa-12,15,18,21-all-cis-tetraenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4850	3-Oxo-docosa-10,13,16,19-all-cis-tetraenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4851	3-Oxo-tetracosa-12,15,18,21-all-cis-tetraenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4852	trans,cis,cis,cis,cis-2,10,13,16,19-Docosapentaenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4853	trans,cis,cis,cis,cis-2,12,15,18,21-Tetracosapentaenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4854	all-cis-10,13,16,19-Docosatetraenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4855	all-cis-12,15,18,21-Tetracosatetraenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE4876	Delta-12-Prostaglandin J2	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE4890	(S)-N-Methylsalsolinol	Organoheterocyclic compounds	Tetrahydroisoquinolines	
CE4936	N-Acetyl-leukotriene E4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE4968	Isovalerylglycine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE4969	Isobutyrylglycine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE4970	2-Methylbutyrylglycine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE4980	Prostaglandin PGE2 glyceryl ester	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE4987	10,11-dihydro-leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE4990	12-Keto-leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE4993	10,11-Dihydro-12R-hydroxy-leukotriene C4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5014	anhydroretinol	Lipids and lipid-like molecules	Prenol lipids	Sesquiterpenoids
CE5026	5-S-glutathionyl-L-DOPA	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5138	12-Oxo-20-hydroxy-leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5139	12-oxo-20-dihydroxy-leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5140	12-Oxo-20-trihydroxy-leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5141	12,20-Dioxo-leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5151	11Z-eicosenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE5178	5-Oxo-6-trans-leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5236	O2'-4a-cyclic-tetrahydrobiopterin	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
CE5240	2-Hydroxyestrone-4-S-glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5242	2-Hydroxyestrone-1-S-glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5243	4-Hydroxy-17beta-estradiol-2-S-glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5244	4-Hydroxyestrone-2-S-glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5249	17beta-Estradiol-3,4-quinone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Oxosteroids
CE5250	17beta-Estradiol-2,3-quinone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Estrane steroids
CE5251	Estrone-3,4-quinone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Oxosteroids
CE5252	Estrone-2,3-quinone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Estrane steroids
CE5276	Dopamine quinone	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
CE5277	Aminochrome o-semiquinone	Organoheterocyclic compounds	Indoles and derivatives	Indolines
CE5278	Dopachrome o-semiquinone	Organoheterocyclic compounds	Indoles and derivatives	Indolecarboxylic acids and derivatives
CE5304	15-deoxy-PGD2	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5456	D-Leucic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
CE5525	12-Oxo-20-carboxy-leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
CE5531	12-Oxo-c-LTB3	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5536	Adrenochrome	Organoheterocyclic compounds	Indoles and derivatives	
CE5538	Noradrenochrome	Organoheterocyclic compounds	Indoles and derivatives	
CE5541	Adrenochrome o-semiquinone	Organoheterocyclic compounds	Indoles and derivatives	
CE5542	Noradrenochrome o-semiquinone	Organoheterocyclic compounds	Indoles and derivatives	Indolines
CE5545	5-S-Glutathionyl-aminochrome reduced	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5586	Dehydrospermidine	Organic nitrogen compounds	Organonitrogen compounds	Imines
CE5586	N-[(E)-4-Ammoniobutylidene]propane-1,3-diaminium	Organic nitrogen compounds	Organonitrogen compounds	Imines
CE5588	Deoxyhypusine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5593	4-OH-Retinal	Lipids and lipid-like molecules	Prenol lipids	Retinoids
CE5626	Salsolinol 1-carboxylate	Organoheterocyclic compounds	Tetrahydroisoquinolines	
CE5627	Salsoline-1-carboxylate	Organoheterocyclic compounds	Tetrahydroisoquinolines	
CE5629	1,2-Dehydrosalsolinol	Organoheterocyclic compounds	Dihydroisoquinolines	
CE5643	Peroxynitrite	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal peroxynitrites
CE5654	4-Oxo-13-cis-retinoate	Lipids and lipid-like molecules	Prenol lipids	Retinoids
CE5656	Lipoyl-AMP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
lipoamp	Lipoyl-AMP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
CE5661	15-Oxo-lipoxin A4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5661	15-oxo-5S,6R-dihydroxy-7E,9E,11Z,13E-eicosatetraenoic acid	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5662	13,14-Dihydro-15-oxo-lipoxin A4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5662	15-oxo-5S,6R-dihydroxy-7E,9E,11Z-eicosatrienoic acid	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5665	Leukoaminochrome	Organoheterocyclic compounds	Indoles and derivatives	Indolines
CE5726	Prostaglandin PGE2 1-glyceryl ester	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5747	N-Retinylidene-N-retinylethanolamine	Lipids and lipid-like molecules	Prenol lipids	Sesquiterpenoids
CE5752	iso-A2E(13-cis)	Lipids and lipid-like molecules	Prenol lipids	Sesquiterpenoids
CE5753	iso-A2E(11-cis)	Lipids and lipid-like molecules	Prenol lipids	Sesquiterpenoids
CE5754	iso-A2E(9-cis)	Lipids and lipid-like molecules	Prenol lipids	Sesquiterpenoids
CE5755	iso-A2E(9,13-di-cis)	Lipids and lipid-like molecules	Prenol lipids	Sesquiterpenoids
CE5757	4-Oxo-9-cis-retinoyl-beta-glucuronide	Lipids and lipid-like molecules	Prenol lipids	Terpene glycosides
CE5789	Kinetensin 1-8	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5795	Neuromedin B (1-3)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5796	Neuromedin B (4-10)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5797	Neuromedin N	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5798	Neuromedin N (1-4)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5842	13'-Hydroxy-alpha-tocopherol	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
CE5843	13'-Carboxy-alpha-tocopherol	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
CE5860	N-Acetyl-5-methoxykynuramine	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
CE5869	Lysyl-Proline	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE5944	10,11-dihydro-12-oxo-LTB4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5945	10,11-dihydro-20-dihydroxy-LTB4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5946	10,11-dihydro-20-trihydroxy-leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5947	20-COOH-10,11-dihydro-LTB4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
CE5971	3(S),5(S),12(R)-trihydroxy-eicosa-8-trans-6,14-cis-trienoyl-CoA	Benzenoids	Benzene and substituted derivatives	Aniline and substituted anilines
CE5976	12-oxo-10,11-dihydro-20-COOH-LTB4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
CE5994	20-Oxo-leukotriene E4	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE5995	20-COOH-leukotriene E4	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE6000	nitrosoperoxycarbonate	Organic oxygen compounds	Organic oxoanionic compounds	Organic peroxynitrites
CE6027	24,25,26,27-Tetranor-23-oxo-hydroxyvitamin D3	Lipids and lipid-like molecules	Steroids and steroid derivatives	Vitamin D and derivatives
CE6182	20-CoA-20-oxo-leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6183	18,20-Dioxo-20-CoA-leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6184	18-CoA-18-oxo-dinorleukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6185	Omega-Carboxy-trinor-leukotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
CE6186	18E-20-oxo-20-CoA-LTB4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6187	20-CoA-20-oxo-18R-hydroxyleucotriene B4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6188	CoA-omega-COOH-dinor-LTE4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6189	CoA-20-COOH-18-oxo-LTE4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6190	CoA-20-COOH-LTE4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6191	18E-20-Oxo-20-CoA-LTE4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6192	18(R)-Hydroxy-20-oxo-20-CoA-LTE4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6193	18-Carboxy-dinor-LTE4	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE6198	16,18-Oxo-18-CoA-dinor-LTE4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6205	5-Methoxytryptophol	Organoheterocyclic compounds	Indoles and derivatives	Indoles
CE6225	16E-18-Oxo-18-CoA-dinor-LTE4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6226	16(S)-hydroxy-18-oxo-18-CoA-LTE4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6227	CoA-18-COOH-15E-dinor-LTE4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6228	13E-Tetranor-16-oxo-16-CoA-LTE4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
CE6229	13E-Tetranor-16-carboxy-LTE4	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE6230	15-Hydroperoxyeicosa-8Z,11Z,13E-trienoate	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE6232	Prostaglandin G1	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE6234	Prostaglandin H1	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE6235	S-(PGA2)-glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE6240	9-Deoxy-delta12-PGD2	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE6241	S-(9-deoxy-delta12-PGD2)-glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE6242	S-(PGJ2)-glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE6243	S-(9-deoxy-delta9,12-PGD2)-glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE6244	S-(11-hydroxy-9-deoxy-delta12-PGD2)-glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE6245	S-(11-OH-9-deoxy-delta9,12-PGD2)-glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE6251	12,20-DiHETE	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE6317	N,N-dimethylindoliumolate	Organoheterocyclic compounds	Indoles and derivatives	
CE6415	11-HpODE	Lipids and lipid-like molecules	Fatty Acyls	Lineolic acids and derivatives
CE6504	1-hydroperoxy-8-carboxyoctyl 3,4-epoxynon-(2E)-enyl ether	Organic oxygen compounds	Organooxygen compounds	Ethers
CE6506	3,4-Epoxynonanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
CE7081	15R-hydroxy-5Z,8Z,11Z,13E,17Z-eicosapentaenoic acid	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE7082	15S-hydroxy-5Z,8Z,11Z,13E,17Z-eicosapentaenoic acid	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE7083	Leukotriene B5	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE7086	Leukotriene C5	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
CE7087	Leukotriene D5	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE7088	Prostaglandin H3	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE7090	18R-HEPE	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE7090	18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE7091	15(R)-hydroperoxy-EPE	Organoheterocyclic compounds	Diazinanes	Piperazines
CE7096	5,15-DiHETE	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE7101	8alpha-Hydroxy-gama-tocopherone	Lipids and lipid-like molecules	Prenol lipids	Diterpenoids
CE7110	5,6-epoxy,18R-HEPE	Lipids and lipid-like molecules	Fatty Acyls	Fatty alcohols
CE7113	15-Epi-lipoxin B5	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE7114	5,12,18R-TriHEPE	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CE7144	13'-Hydroxy-alpha-tocotrienol	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
CE7145	13'-Carboxy-alpha-tocotrienol	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
CE7172	14,15-DiHETE	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
CN0016	Dibenzo[a,l]pyrene	Benzenoids	Pyrenes	Benzopyrenes
CN0020	7,12-Dimethylbenz[a]anthracene	Benzenoids	Phenanthrenes and derivatives	
DPA	2,6-Pyridinedicarboxylic acid	Organoheterocyclic compounds	Pyridines and derivatives	Pyridinecarboxylic acids and derivatives
Glc_aD	Alpha-D-Glucose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
glc__aD	Alpha-D-Glucose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
HC00229	Isomaltose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
isomal	Isomaltose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
HC00460	Gentisic acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
HC00576	Homocarnosine	Organic acids and derivatives	Peptidomimetics	Hybrid peptides
hcarn	Homocarnosine	Organic acids and derivatives	Peptidomimetics	Hybrid peptides
HC00591	2-Keto-glutaramic acid	Organic acids and derivatives	Keto acids and derivatives	Short-chain keto acids and derivatives
HC00682	S-Acetyldihydrolipoamide	Lipids and lipid-like molecules	Fatty Acyls	Fatty amides
adhlam	S-Acetyldihydrolipoamide	Lipids and lipid-like molecules	Fatty Acyls	Fatty amides
HC00695	(S)-Succinyldihydrolipoamide	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
sdhlam	(S)-Succinyldihydrolipoamide	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
HC00718	N-Methylethanolaminium phosphate	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
HC00822	N,N'-diacetylchitobiose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
chitob	N,N'-diacetylchitobiose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
HC00832	L-Fuculose	Lipids and lipid-like molecules	Fatty Acyls	Fatty alcohols
fcl__L	L-Fuculose	Lipids and lipid-like molecules	Fatty Acyls	Fatty alcohols
HC00900	Methylmalonic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Dicarboxylic acids and derivatives
mm	Methylmalonic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Dicarboxylic acids and derivatives
mmal	Methylmalonic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Dicarboxylic acids and derivatives
HC00955	L-3-Cyanoalanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
HC01104	4-Nitrophenyl phosphate	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
HC01115	N-Glycolylneuraminic acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
HC01115	NeuNGc	Organooxygen compounds	Carbohydrates and carbohydrate conjugates	Sugar acids and derivatives
HC01231	D-Pantothenoyl-L-cysteine	Organic acids and derivatives	Peptidomimetics	Hybrid peptides
ptcys	D-Pantothenoyl-L-cysteine	Organic acids and derivatives	Peptidomimetics	Hybrid peptides
HC01254	6-Lactoyltetrahydropterin	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
HC01361	7,8-Dihydroneopterin	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
dhnpt	7,8-Dihydroneopterin	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
HC01434	Oxalosuccinic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Tricarboxylic acids and derivatives
HC01435	3-Carboxy-1-hydroxypropylthiamine diphosphate	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
HC01444	Galactosylglycerol	Lipids and lipid-like molecules	Glycerolipids	Glycosylglycerols
ggl	Galactosylglycerol	Lipids and lipid-like molecules	Glycerolipids	Glycosylglycerols
HC01446	3'-Ketolactose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
HC01501	Thiosulfate	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal thiosulfates
tsul	Thiosulfate	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal thiosulfates
HC01501	Hydroxidodioxidosulfidosulfate	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal thiosulfates
tsul	Hydroxidodioxidosulfidosulfate	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal thiosulfates
HC01522	Gentisate aldehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
HC01577	gamma-Glutamyl-beta-cyanoalanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
HC01651	Formamidopyrimidine nucleoside triphosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
HC01652	2,5-Diaminopyrimidine nucleoside triphosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
HC01668	Propinol adenylate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
HC01672	Acetyl adenylate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
HC01700	gamma-Glutamyl-beta-aminopropiononitrile	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
HC01710	2,5-Diamino-6-(5'-triphosphoryl-3',4'-trihydroxy-2'-oxopentyl)-amino-4-oxopyrimidine	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
HC01712	S-Glutaryldihydrolipoamide	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
S_gtrdhdlp	S-Glutaryldihydrolipoamide	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
HC01842	Phosphodimethylethanolamine	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
HC02180	Thromboxane B2	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
HC02191	Lithocholic acid	Organic compounds	Lipids and lipid-like molecules	Steroids and steroid derivatives
HC02193	Lithocholic acid glycine conjugate	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
HC02194	Ursodeoxycholic acid	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
HC02195	Tauroursodeoxycholic acid	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
HC02196	Glycoursodeoxycholic acid	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
HC02197	Sulfoglycolithocholate(2-)	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
HC02202	Prostaglandin A1	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
HC02203	Prostaglandin A2	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
HC02204	Prostaglandin B1	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
HC02205	Prostaglandin B2	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
HC02206	Prostaglandin C1	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
HC02207	Prostaglandin-c2	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
HC02208	Prostaglandin D1	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
HC02210	Prostaglandin D3	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
HC02213	Prostaglandin E3	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
HC02214	Prostaglandin F1a	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
HC02216	Prostaglandin F2b	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
HC02217	Prostaglandin G2	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
HC02228	Hexadecenal	Lipids and lipid-like molecules	Fatty Acyls	Fatty aldehydes
hxdceal	Hexadecenal	Lipids and lipid-like molecules	Fatty Acyls	Fatty aldehydes
HC10859	Malonyl-Carnitin	Organic nitrogen compounds	Organonitrogen compounds	Quaternary ammonium salts
L2aadp6sa	(S)-2-amino-6-oxohexanoate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
Lfmkynr	L-Formylkynurenine	Benzenoids	Benzene and substituted derivatives	Butyrophenones
Lkynr	L-Kynurenine	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
Lpipecol	L-Pipecolic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
N1aspmd	N1-Acetylspermidine	Organic acids and derivatives	Carboximidic acids and derivatives	Carboximidic acids
N1sprm	N1-Acetylspermine	Organic acids and derivatives	Carboxylic acids and derivatives	Carboxylic acid derivatives
N1sprm	N(1)-acetylsperminium(3+)	Organic acids and derivatives	Carboxylic acids and derivatives	Carboxylic acid derivatives
Nacasp	N-Acetyl-L-aspartic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
Ncbmpts	N-Carbamoylputrescine	Organic acids and derivatives	Carboximidic acids and derivatives	Carboximidic acids
Nforglu	N-Formyl-L-glutamic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
Sfglutth	S-Formylglutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
Sfglutth	S-formylglutathionate(1-)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
Sptmyn	Spectinomycin	Organoheterocyclic compounds	Dioxanes	1,4-dioxanes
Ssq23epx	(S)-2,3-Epoxysqualene	Lipids and lipid-like molecules	Prenol lipids	Triterpenoids
Ssq23epx	(3S)-2,3-epoxy-2,3-dihydrosqualene	Lipids and lipid-like molecules	Prenol lipids	Triterpenoids
Stmyn	Streptomycin	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
T4hcinnm	4-Hydroxycinnamic acid	Phenylpropanoids and polyketides	Cinnamic acids and derivatives	Hydroxycinnamic acids and derivatives
aa	Acrylamide	Organic acids and derivatives	Carboximidic acids and derivatives	Carboximidic acids
aacoa	Acetoacetyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
aact	Aminoacetone	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
abt	L-Arabitol	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
abt__L	L-Arabitol	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
abt__D	D-Arabitol	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
ac	Acetic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Carboxylic acids
acac	Acetoacetic acid	Organic acids and derivatives	Keto acids and derivatives	Short-chain keto acids and derivatives
acald	Acetaldehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
acaro	Alpha-Carotene	Lipids and lipid-like molecules	Prenol lipids	Tetraterpenoids
accoa	Acetyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
acetol	Hydroxyacetone	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
acetone	Acetone	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
acg5p	N-Acetyl-L-glutamyl 5-phosphate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
acg5sa	N-Acetyl-L-glutamate 5-semialdehyde	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
acgal1p	N-Acetyl-D-galactosamine 1-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
acgam	N-Acetyl-D-glucosamine	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
acgam6p	N-Acetyl-D-Glucosamine 6-Phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
acgam6p	N-Acetylglucosamine 6-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
acglcgal14acglcgalgluside_cho	nLc5Cer	Lipids and lipid-like molecules	Sphingolipids	Glycosphingolipids
acgpail_cho	6-(N-Acetyl-alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoinositols
ach	Acetylcholine	Organic nitrogen compounds	Organonitrogen compounds	Quaternary ammonium salts
acmanap	N-Acetyl-D-mannosamine 6-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
acmum	N-Acetylmuramate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
acnam	N-Acetylneuraminic acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
acngalacglcgal14acglcgalgluside_cho	VI3NeuAc-nLc6Cer	Lipids and lipid-like molecules	Sphingolipids	Glycosphingolipids
acon_C	cis-Aconitic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Tricarboxylic acids and derivatives
acon_T	trans-Aconitic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Tricarboxylic acids and derivatives
acorn	N-Acetylornithine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
acryl	Acrylic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Acrylic acids and derivatives
acser	O-Acetylserine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
actp	Acetylphosphate	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
ad	Acetamide	Organic acids and derivatives	Carboximidic acids and derivatives	Carboximidic acids
ade	Adenine	Organoheterocyclic compounds	Imidazopyrimidines	Purines and purine derivatives
adn	Adenosine	Nucleosides, nucleotides, and analogues	Purine nucleosides	
adocbi	Adenosyl cobinamide	Organic compounds	Organoheterocyclic compounds	Tetrapyrroles and derivatives
adocbip	Adenosyl cobinamide phosphate	Organic compounds	Organoheterocyclic compounds	Tetrapyrroles and derivatives
adocbl	Adenosylcobalamin	Organic compounds	Organoheterocyclic compounds	Tetrapyrroles and derivatives
adp	ADP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
adpglc	ADP-glucose	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine nucleotide sugars
adpglc	ADP Alpha-D-glucoside(2-)	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine nucleotide sugars
aflbala	alpha-Fluoro-beta-alanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
aflburppa	alpha-Fluoro-beta-ureidopropionic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Alpha-halocarboxylic acids and derivatives
ag	Silver	Homogeneous metal compounds	Homogeneous transition metal compounds	
agdpcbi	Adenosylcobinamide-GDP	Organic compounds	Nucleosides, nucleotides, and analogues	Purine nucleotides
agm	Agmatine	Organic nitrogen compounds	Organonitrogen compounds	Guanidines
ahandrostan	Etiocholanolone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Androstane steroids
ahcys	S-Adenosylhomocysteine	Nucleosides, nucleotides, and analogues	5'-deoxyribonucleosides	5'-deoxy-5'-thionucleosides
aicar	AICAR	Nucleosides, nucleotides, and analogues	Imidazole ribonucleosides and ribonucleotides	1-ribosyl-imidazolecarboxamides
air	5-amino-1-(5-phosphonato-D-ribosyl)imidazol-3-ium	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
akg	Oxoglutaric acid	Organic acids and derivatives	Keto acids and derivatives	Gamma-keto acids and derivatives
ala_B	beta-Alanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
ala_L_phe__L	Alanyl-Phenylalanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
ala__D	D-Alanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
ala__L	L-Alanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
alaala	D-Alanyl-D-alanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
alac__S	(S)-2-Acetolactate	Organic acids and derivatives	Keto acids and derivatives	Short-chain keto acids and derivatives
alltn	Allantoin	Organoheterocyclic compounds	Azoles	Imidazoles
alltt	Allantoic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
alpam	S-aminomethyldihydrolipoamide	Lipids and lipid-like molecules	Fatty Acyls	Fatty amides
am6sa	2-Aminomuconic acid semialdehyde	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
amet	S-Adenosylmethionine	Nucleosides, nucleotides, and analogues	5'-deoxyribonucleosides	5'-deoxy-5'-thionucleosides
ametam	S-Adenosylmethioninamine	Nucleosides, nucleotides, and analogues	5'-deoxyribonucleosides	5'-deoxy-5'-thionucleosides
amp	Adenosine monophosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
amuco	2-Aminomuconic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
ans	Anserine	Organic acids and derivatives	Peptidomimetics	Hybrid peptides
anth	2-Aminobenzoic acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
ap4a	Diadenosine tetraphosphate	Nucleosides, nucleotides, and analogues	(5'->5')-dinucleotides	
ap4a	P1,P4-Bis(5'-adenosyl) tetraphosphate	Nucleosides, nucleotides, and analogues	(5'->5')-dinucleotides	
appl	1-Amino-propan-2-ol	Organic nitrogen compounds	Organonitrogen compounds	Amines
aproa	3-Aminopropionaldehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
aproa	3-amino-propanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
aprut	N-Acetylputrescine	Organic acids and derivatives	Carboximidic acids and derivatives	Carboximidic acids
aprut	N-Acetylputrescinium	Organic acids and derivatives	Carboximidic acids and derivatives	Carboximidic acids
aps	Adenosine phosphosulfate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
ara5p	D-Arabinose 5-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
arab__L	L-Arabinose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
arach	Arachidic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
arbt	Arbutin	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
arbtn_fe3	Aerobactin	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
arg__D	D-Arginine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
arg__L	L-Arginine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
ascb__L	Ascorbic acid	Organoheterocyclic compounds	Dihydrofurans	Furanones
asn__L	L-Asparagine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
aso3	Arsenite	Inorganic compounds	Mixed metal/non-metal compounds	Miscellaneous mixed metal/non-metals
aso4	Arsenate	Mixed metal/non-metal compounds	Miscellaneous mixed metal/non-metals	Miscellaneous metallic oxoanionic compounds
asp__D	D-Aspartic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
aspsa	L-Aspartate-semialdehyde	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
athr__L	L-Allothreonine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
athtp	Adenosine thiamine triphosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
atp	Adenosine triphosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
atrz	Atrazine	Organoheterocyclic compounds	Triazines	1,3,5-triazines
avite1	alpha-Tocopherol	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
b124tc	(Z)-But-1-ene-1,2,4-tricarboxylate	Organic acids and derivatives	Carboxylic acids and derivatives	Tricarboxylic acids and derivatives
hacon_C	(Z)-But-1-ene-1,2,4-tricarboxylate	Organic acids and derivatives	Carboxylic acids and derivatives	Tricarboxylic acids and derivatives
b2coa	Crotonoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
b2coa	(E)-but-2-enoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
b2coa	(2E)-Butenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
bcryptox	beta-Cryptoxanthin	Lipids and lipid-like molecules	Prenol lipids	Tetraterpenoids
bdg2hc	cis-beta-D-Glucosyl-2-hydroxycinnamate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
benzcoa	Benzoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
betald	Betaine aldehyde	Organic nitrogen compounds	Organonitrogen compounds	Quaternary ammonium salts
bgly	N-benzoylglycinate	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
bhb	(R)-3-Hydroxybutyric acid	Organic acids and derivatives	Hydroxy acids and derivatives	Beta hydroxy acids and derivatives
bilirub	Bilirubin	Organic compounds	Organoheterocyclic compounds	Tetrapyrroles and derivatives
biliverd	Biliverdin	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Bilirubins
btal	Butanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
btcoa	Butyryl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
btn	Biotin	Organoheterocyclic compounds	Biotin and derivatives	
bvite	Beta-tocopherol	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
bz	Benzoic acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
bzal	Benzaldehyde	Benzenoids	Benzene and substituted derivatives	Benzoyl derivatives
bzalc	Benzyl alcohol	Benzenoids	Benzene and substituted derivatives	Benzyl alcohols
bzsucc	(R)-2-Benzylsuccinate	Phenylpropanoids and polyketides	Phenylpropanoic acids	
c4crn	Butyrylcarnitine	Lipids and lipid-like molecules	Fatty Acyls	Fatty acid esters
c4dc	Succinylcarnitine	Lipids and lipid-like molecules	Fatty Acyls	Fatty acid esters
ca2	Calcium	Homogeneous metal compounds	Homogeneous alkaline earth metal compounds	
cala	Ureidopropionic acid	Organic acids and derivatives	Organic carbonic acids and derivatives	Ureas
cala	N-carbamoyl-beta-alaninate	Organic acids and derivatives	Organic carbonic acids and derivatives	Ureas
camp	Cyclic AMP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Cyclic purine nucleotides
caphis	2-(3-Carboxy-3-aminopropyl)-L-histidine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
caro	B-Carotene	Lipids and lipid-like molecules	Prenol lipids	Tetraterpenoids
carveol	Carveol	Lipids and lipid-like molecules	Prenol lipids	Monoterpenoids
cat	Calcitriol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Vitamin D and derivatives
catechol	Pyrocatechol	Benzenoids	Phenols	Benzenediols
cbasp	Ureidosuccinic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
cbl1	Cob(I)alamin	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Corrinoids
cbm	Carbamic acid	Organic acids and derivatives	Organic carbonic acids and derivatives	
cbp	Carbamoyl phosphate	Organic acids and derivatives	Organic phosphoric acids and derivatives	
ccmuac	cis,cis-Muconic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
cd2	Cadmium	Homogeneous metal compounds	Homogeneous transition metal compounds	
cdp	CDP	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine ribonucleotides
cdpchol	Citicoline	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine ribonucleotides
cdpea	CDP-Ethanolamine	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine ribonucleotides
cdpglc	CDP-glucose	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
cdpglyc	CDP-glycerol	Lipids and lipid-like molecules	Glycerophospholipids	CDP-glycerols
cellb	Cellobiose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
cgly	Cysteinylglycine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
ch4	Methane	Hydrocarbons	Saturated hydrocarbons	Alkanes
ch4s	Methanethiol	Organosulfur compounds	Thiols	Alkylthiols
chito2pdol	N,N'-Diacetylchitobiosyldiphosphodolichol	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
chitos	Chitosan	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
chlb	Chlorophyll b	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Chlorins
chol	Choline	Organic nitrogen compounds	Organonitrogen compounds	Quaternary ammonium salts
cholate	Cholic acid	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
cholp	Phosphorylcholine	Organic nitrogen compounds	Organonitrogen compounds	Quaternary ammonium salts
chor	Chorismate	Organic acids and derivatives	Carboxylic acids and derivatives	Dicarboxylic acids and derivatives
chsterol	Cholesterol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Cholestane steroids
chtn	Chitin	Organic compounds	Organic oxygen compounds	Organooxygen compounds
cinnm	Cinnamic acid	Phenylpropanoids and polyketides	Cinnamic acids and derivatives	Cinnamic acids
cinnm	trans-Cinnamic acid	Phenylpropanoids and polyketides	Cinnamic acids and derivatives	Cinnamic acids
cit	Citric acid	Organic acids and derivatives	Carboxylic acids and derivatives	Tricarboxylic acids and derivatives
citac	Citraconic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
cital	Citalopram	Benzenoids	Benzene and substituted derivatives	Phenylbutylamines
citalald	Citalopram aldehyde	Organoheterocyclic compounds	Isocoumarans	
citalo	Citalopram N-oxide	Benzenoids	Benzene and substituted derivatives	Phenylbutylamines
citalppa	Citalopram propionic acid	Organoheterocyclic compounds	Isocoumarans	
citm	Citramalic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
cl	Chloride ion	Homogeneous non-metal compounds	Homogeneous halogens	
cl	Hydrochloric acid	Homogeneous non-metal compounds	Halogen organides	Halogen hydrides
clpn160	CL(16:0/16:0/16:0/16:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoglycerophosphoglycerols
cm	Chloramphenicol	Benzenoids	Benzene and substituted derivatives	Nitrobenzenes
cmaphis	2-(3-Carboxy-3-(methylammonio)propyl)-L-histidine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
cmp	Cytidine monophosphate	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine ribonucleotides
cmpacna	Cytidine monophosphate N-acetylneuraminic acid	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
cmpglna	CMP-N-glycoloylneuraminate	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine ribonucleotides
cmpglna	CMP-N-glycoloyl-beta-neuraminate(2-)	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
cmusa	2-Amino-3-carboxymuconic acid semialdehyde	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
cmusa	Cis,cis-2-amino-3-(3-oxoprop-1-enyl)but-2-enedioate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
co	Carbon monoxide	Homogeneous non-metal compounds	Homogeneous other non-metal compounds	
co1dam	Cob(I)yrinate a,c diamide	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Corrinoids
co2	Carbon dioxide	Homogeneous non-metal compounds	Other non-metal organides	Other non-metal oxides
coa	Coenzyme A	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
confrl	Coniferyl alcohol	Benzenoids	Phenols	Methoxyphenols
coucoa	4-Coumaroyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
coumarin	Coumarin	Phenylpropanoids and polyketides	Coumarins and derivatives	
cph4	6-Carboxy-5,6,7,8-tetrahydropterin	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
cpmp	Cyclic pyranopterin monophosphate	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
cpp3	Coproporphyrin III	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Porphyrins
cpppg1	Coproporphyrinogen I	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Porphyrins
cpppg3	Coproporphyrinogen III	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Porphyrins
creat	Creatinine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
crn	L-Carnitine	Organic nitrogen compounds	Organonitrogen compounds	Quaternary ammonium salts
crn__D	(S)-carnitinium	Organic nitrogen compounds	Organonitrogen compounds	Quaternary ammonium salts
crpxan	Alpha-Cryptoxanthin	Lipids and lipid-like molecules	Prenol lipids	Tetraterpenoids
csn	Cytosine	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
ctp	Cytidine triphosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
cyan	Hydrogen cyanide	Organic nitrogen compounds	Organonitrogen compounds	Organic cyanides
cyart	Cycloartenol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Cycloartanols and derivatives
cynt	Cyanate	Organic compounds	Organic oxygen compounds	Organic oxoanionic compounds
cys__D	D-Cysteine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
cys__L	L-Cysteine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
cysam	Cysteamine	Organosulfur compounds	Thiols	Alkylthiols
cysi__L	L-Cystine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
cyst__L	L-Cystathionine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
cytd	Cytidine	Nucleosides, nucleotides, and analogues	Pyrimidine nucleosides	
dad_2	Deoxyadenosine	Nucleosides, nucleotides, and analogues	Purine nucleosides	Purine 2'-deoxyribonucleosides
dad_5	5'-Deoxyadenosine	Nucleosides, nucleotides, and analogues	5'-deoxyribonucleosides	
dadp	dADP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine deoxyribonucleotides
damp	Deoxyadenosine monophosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine deoxyribonucleotides
datp	Deoxyadenosine triphosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine deoxyribonucleotides
dc2coa	(2E)-Decenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
dcacoa	Decanoyl-CoA (n-C10:0CoA)	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
dcal	Decanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
dcamp	Adenylsuccinic acid	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
dcamp	N(6)-(1,2-dicarboxyethyl)AMP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
dcaro	delta-Carotene	Lipids and lipid-like molecules	Prenol lipids	Tetraterpenoids
dcdp	dCDP	Organic oxygen compounds	Organic oxoanionic compounds	Organic pyrophosphates
dchac	Deoxycholic acid	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
dcholcoa	Chenodeoxycholoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
dcmp	dCMP	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine deoxyribonucleotides
dctp	dCTP	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine deoxyribonucleotides
dcyt	Deoxycytidine	Nucleosides, nucleotides, and analogues	Pyrimidine nucleosides	Pyrimidine 2'-deoxyribonucleosides
dd2coa	Trans-2,3-dehydrododecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
trans_dd2coa	Trans-2,3-dehydrododecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
ddcacoa	Lauroyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
ddcal	Lauric aldehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
ddmcital	Didemethylcitalopram	Benzenoids	Benzene and substituted derivatives	Phenylbutylamines
debrisoquine	Debrisoquine	Organoheterocyclic compounds	Tetrahydroisoquinolines	
decdp	all-trans-Decaprenyl diphosphate	Lipids and lipid-like molecules	Prenol lipids	Polyprenols
dedoldp	Dehydrodolichol diphosphate	Lipids and lipid-like molecules	Prenol lipids	Polyprenols
dextrin	Dextrin	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
dgdp	dGDP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine deoxyribonucleotides
dgsn	Deoxyguanosine	Nucleosides, nucleotides, and analogues	Purine nucleosides	Purine 2'-deoxyribonucleosides
dgtp	dGTP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine deoxyribonucleotides
dha	Dihydroxyacetone	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
dhap	Dihydroxyacetone phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
dhcinnm	(E)-3-(2,3-Dihydroxyphenyl)-2-propenoic acid	Phenylpropanoids and polyketides	Cinnamic acids and derivatives	Hydroxycinnamic acids and derivatives
dhcrm_cho	Dihydroceramide	Organic acids and derivatives	Carboxylic acids and derivatives	Carboxylic acid derivatives
dheas	Dehydroepiandrosterone sulfate	Lipids and lipid-like molecules	Steroids and steroid derivatives	Sulfated steroids
dhf	Dihydrofolic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
dhlam	Dihydrolipoamide	Lipids and lipid-like molecules	Fatty Acyls	Fatty amides
dhmtp	1,2-Dihydroxy-3-keto-5-methylthiopentene	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
dhnpthld	1,2-Dihydronaphthalene-1,2-diol	Benzenoids	Naphthalenes	
dhor__S	L-Dihydroorotic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
dhpmp	Dihydroneopterin phosphate	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
dhptdn	Dihydropteridine	Organoheterocyclic compounds	Pteridines and derivatives	
dhretinol	All-trans-13,14-dihydroretinol	Lipids and lipid-like molecules	Prenol lipids	Retinoids
diact	Diacetyl	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
didp	dIDP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine deoxyribonucleotides
dimp	dIMP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine deoxyribonucleotides
din	Deoxyinosine	Nucleosides, nucleotides, and analogues	Purine nucleosides	Purine 2'-deoxyribonucleosides
dkmpp	5-(Methylthio)-2,3-dioxopentyl phosphate	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
dma	Dimethylamine	Organic nitrogen compounds	Organonitrogen compounds	Amines
dmcital	N-Desmethylcitalopram	Benzenoids	Benzene and substituted derivatives	Phenylbutylamines
dmcital	Desmethylcitalopram	Benzenoids	Benzene and substituted derivatives	Phenylbutylamines
dmgly	Dimethylglycine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
dmlz	6,7-Dimethyl-8-(1-D-ribityl)lumazine	Organoheterocyclic compounds	Pteridines and derivatives	
dmpp	Dimethylallylpyrophosphate	Lipids and lipid-like molecules	Prenol lipids	Isoprenoid phosphates
dms	Dimethylsulfide	Organosulfur compounds	Thioethers	Dialkylthioethers
dmso	Dimethyl sulfoxide	Organosulfur compounds	Sulfoxides	
dmtphllqne	Demethylphylloquinone	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
doco13ac	Erucic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
docoscoa	Docosanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
doldp	Dolichyl diphosphate	Organic oxygen compounds	Organic oxoanionic compounds	Organic pyrophosphates
dolmanp	Dolichyl phosphate D-mannose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
dolp	Dolichol phosphate	Lipids and lipid-like molecules	Prenol lipids	Sesquiterpenoids
dopa	Dopamine	Benzenoids	Phenols	Benzenediols
doxrbcn	Doxorubicin	Phenylpropanoids and polyketides	Anthracyclines	
dpcoa	Dephospho-CoA	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
drib	Deoxyribose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
dtbt	Dethiobiotin	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
dtdp	dTDP	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine deoxyribonucleotides
dtdp4aaddg	dTDP-4-acetamido-4,6-dideoxy-D-galactose	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
dtdp4d6dg	dTDP-4-dehydro-6-deoxy-alpha-D-glucose	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
dtdpglu	DTDP-alpha-D-glucose(2-)	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
dtdprmn	Deoxythymidine diphosphate-l-rhamnose	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
dtmp	5-Thymidylic acid	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine deoxyribonucleotides
dtocophe	Delta-Tocopherol	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
dttOX	Oxidized dithiothreitol	Organoheterocyclic compounds	Dithianes	
dttp	Thymidine 5'-triphosphate	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine deoxyribonucleotides
dudp	dUDP	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine deoxyribonucleotides
dump	dUMP	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine deoxyribonucleotides
duri	Deoxyuridine	Nucleosides, nucleotides, and analogues	Pyrimidine nucleosides	Pyrimidine 2'-deoxyribonucleosides
dutp	Deoxyuridine triphosphate	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine deoxyribonucleotides
dxyl	1-Deoxy-D-xylulose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
dxyl5p	1-Deoxy-D-xylulose 5-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
e4hglu	Erythro-4-hydroxy-L-glutamate(1-)	Organic compounds	Organic acids and derivatives	Carboxylic acids and derivatives
e4p	D-Erythrose 4-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
ebastine	Ebastine	Benzenoids	Benzene and substituted derivatives	Diphenylmethanes
egly	N-Ethylglycine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
eig3p	D-Erythro-imidazole-glycerol-phosphate	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
enter	Chymosin preparation, escherichia coli k-12	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
epist	Episterol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Ergostane steroids
epm	Epimelibiose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
ergst	Ergosterol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Ergostane steroids
estriol	Estriol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Estrane steroids
estrone	Estrone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Estrane steroids
etha	Ethanolamine	Organic nitrogen compounds	Organonitrogen compounds	Amines
etha	Ethanolaminium(1+)	Organic nitrogen compounds	Organonitrogen compounds	Quaternary ammonium salts
ethamp	O-Phosphoethanolamine	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
etoh	Ethanol	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
f1p	D-fructose 1-phosphate	Organooxygen compounds	Carbonyl compounds	Ketones
f26bp	D-Fructose 2,6-bisphosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
f2p	Beta-D-Fructose 2-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
f6p	Fructose 6-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
f6p_B	Beta-D-Fructose 6-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
fad	FAD	Nucleosides, nucleotides, and analogues	Flavin nucleotides	
fald	Formaldehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
fdp_B	Fructose 1,6-bisphosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
fdp_B	beta-D-Fructose 1,6-bisphosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
fe2	Fe2+	Homogeneous metal compounds	Homogeneous transition metal compounds	
fer	trans-Ferulic acid	Phenylpropanoids and polyketides	Cinnamic acids and derivatives	Hydroxycinnamic acids and derivatives
fgam	5'-Phosphoribosyl-N-formylglycinamide	Nucleosides, nucleotides, and analogues	Glycinamide ribonucleotides	
fmet	N-Formyl-L-methionine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
fmnh2	FMNH2	Nucleosides, nucleotides, and analogues	Flavin nucleotides	
focytc	Ferrocytochrome	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Metallotetrapyrroles
fol	Folic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
for	Formic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Carboxylic acids
forcoa	Formyl-CoA	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
forglu	Formiminoglutamic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
fpram	2-(Formamido)-N1-(5-phospho-D-ribosyl)acetamidine	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
fprica	Phosphoribosyl formamidocarboxamide	Nucleosides, nucleotides, and analogues	Imidazole ribonucleosides and ribonucleotides	1-ribosyl-imidazolecarboxamides
frdp	Farnesyl pyrophosphate	Lipids and lipid-like molecules	Prenol lipids	Sesquiterpenoids
frmd	Formamide	Organic acids and derivatives	Carboximidic acids and derivatives	Carboximidic acids
fru	D-Fructose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
fru	Fructose-1P	Organooxygen compounds	Carbohydrates and carbohydrate conjugates	Monosaccharides
fuc12gal14acglcgalgluside_cho	IV2Fuc-nLc4Cer	Lipids and lipid-like molecules	Sphingolipids	Glycosphingolipids
fuc1p__L	Fucose 1-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
fuc__L	L-Fucose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
fuc__L	L-Fucose-1P	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
fucgalacglcgal14acglcgalgluside_cho	VI2Fuc-nLc6	Lipids and lipid-like molecules	Sphingolipids	Glycosphingolipids
fum	Fumaric acid	Organic acids and derivatives	Carboxylic acids and derivatives	Dicarboxylic acids and derivatives
fumpyr	3-Fumarylpyruvate	Organic acids and derivatives	Keto acids and derivatives	Medium-chain keto acids and derivatives
fusa	Fusidic Acid	Lipids and lipid-like molecules	Steroids and steroid derivatives	Steroid esters
g15lac	Gluconolactone	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
g1p	Glucose 1-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
g3p	D-Glyceraldehyde 3-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
g3pe	sn-glycero-3-Phosphoethanolamine	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
g3pi	1-(sn-Glycero-3-phospho)-1D-myo-inositol	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoinositols
g6p	Glucose 6-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
g6p_B	Beta-D-Glucose 6-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
ga	Gallic acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
gal	D-Galactose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
gal1p	Galactose 1-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
gal_bD	Beta-D-Galactose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
galct__D	Galactaric acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
galctr__D	Galactaric acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
galctn__D	Galactonic acid	Organic acids and derivatives	Hydroxy acids and derivatives	Medium-chain hydroxy acids and derivatives
galt	Galactitol	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
gam	Glucosamine	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
gar	Glycineamideribotide	Nucleosides, nucleotides, and analogues	Glycinamide ribonucleotides	
gcald	Glycolaldehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
gdchola	Chenodeoxyglycocholic acid	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
gdp	Guanosine diphosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
gdpfuc	GDP-L-fucose	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine nucleotide sugars
gdpmann	Guanosine diphosphate mannose	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine nucleotide sugars
gdptp	Guanosine 3'-diphosphate 5'-triphosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
gg4abut	4-(Glutamylamino) butanoate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
ggdp	Geranylgeranyl-PP	Lipids and lipid-like molecules	Prenol lipids	Diterpenoids
ghb	4-Hydroxybutyric acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
glc__D	D-Glucose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
glcn	Gluconic acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
glcn__D	Gluconic acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
glcr	Glucaric acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
glcr	D-Glucaric acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
glcur	D-Glucuronic acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
glcur1p	D-Glucuronic acid 1-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
glcurn	D-Glucurono-6,3-lactone	Organoheterocyclic compounds	Furofurans	Isosorbides
gln__L	L-Glutamine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
glu5p	L-Glutamic acid 5-phosphate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
glu5sa	L-Glutamic gamma-semialdehyde	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
glu__D	D-Glutamic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
glu__L	L-Glutamic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
glu__L	DL-Glutamate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
gluala	gamma-Glutamylalanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
glucys	gamma-Glutamylcysteine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
gluside_cho	Glucosylceramide	Lipids and lipid-like molecules	Sphingolipids	Glycosphingolipids
glutar	Glutaric acid	Organic acids and derivatives	Carboxylic acids and derivatives	Dicarboxylic acids and derivatives
glutcoa	Glutaryl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
glx	Glyoxylic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Carboxylic acids
gly	Glycine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
gly_leu__L	Glycylleucine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
glyleu	Glycylleucine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
gly_phe__L	Glycyl-Phenylalanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
glyphe	Glycyl-Phenylalanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
glyb	Betaine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
glyb	Trimethylammonioacetate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
glyc	Glycerol	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
glyc2p	Beta-Glycerophosphoric acid	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphates
glyc3p	Glycerol 3-phosphate	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphates
glyclt	Glycolic acid	Organic acids and derivatives	Hydroxy acids and derivatives	Alpha hydroxy acids and derivatives
glycogen	Glycogen	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
glygly	Glycyl-glycine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
glypro	Glycylproline	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
gmp	Guanosine monophosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
gp4g	Diguanosine tetraphosphate	Nucleosides, nucleotides, and analogues	(5'->5')-dinucleotides	
grdp	Geranyl-PP	Lipids and lipid-like molecules	Prenol lipids	Isoprenoid phosphates
gsn	Guanosine	Nucleosides, nucleotides, and analogues	Purine nucleosides	
gthox	Oxidized glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
gthrd	Glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
gthrd	Glutathionate(1-)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
gtocophe	Gamma-Tocopherol	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
gtp	Guanosine triphosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
gua	Guanine	Organoheterocyclic compounds	Imidazopyrimidines	Purines and purine derivatives
guln__L	Gulonic acid	Organic acids and derivatives	Hydroxy acids and derivatives	Medium-chain hydroxy acids and derivatives
h	Hydrogen Ion	Homogeneous non-metal compounds	Other non-metal organides	Other non-metal hydrides
h2	Hydrogen	Homogeneous non-metal compounds	Other non-metal organides	Other non-metal hydrides
h2co3	Carbonic acid	Organic acids and derivatives	Organic carbonic acids and derivatives	Organic carbonic acids
h2co3	Carbonate	Organic acids and derivatives	Organic carbonic acids and derivatives	Organic carbonic acids
oh1	Hydroxide	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal hydroxides
h2o	Water	Homogeneous non-metal compounds	Homogeneous other non-metal compounds	
oh1	Water	Homogeneous non-metal compounds	Homogeneous other non-metal compounds	
h2o2	Hydrogen peroxide	Homogeneous non-metal compounds	Homogeneous other non-metal compounds	
h2s	Hydrogen sulfide	Homogeneous non-metal compounds	Other non-metal organides	Other non-metal sulfides
h4mpt	5,6,7,8-Tetrahydromethanopterin	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
hLkynr	L-3-Hydroxykynurenine	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
ham	Hydroxylamine	Homogeneous non-metal compounds	Homogeneous other non-metal compounds	
hatrz	4-ethylamino-6-isopropylamino-1,3,5-triazin-2-ol	Organoheterocyclic compounds	Triazines	Aminotriazines
hco3	Hydrogen carbonate	Organic acids and derivatives	Organic carbonic acids and derivatives	Organic carbonic acids
hdca	Palmitic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
hdd2coa	(2E)-Hexadecenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
hemeA	Heme A	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Metallotetrapyrroles
hemeO	Heme O	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Metallotetrapyrroles
hepdp	All-trans-heptaprenyl diphosphate	Lipids and lipid-like molecules	Prenol lipids	Polyprenols
hexdp	All-trans-hexaprenyl diphosphate	Lipids and lipid-like molecules	Prenol lipids	Polyprenols
hg2	Mercury	Homogeneous metal compounds	Homogeneous transition metal compounds	
hgentis	Homogentisic acid	Benzenoids	Benzene and substituted derivatives	Phenylacetic acids
his__L	L-Histidine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
hista	Histamine	Organic nitrogen compounds	Organonitrogen compounds	Amines
hista	Histamium	Organic nitrogen compounds	Organonitrogen compounds	Amines
histd	L-Histidinol	Organic nitrogen compounds	Organonitrogen compounds	Amines
hlys	Erythro-5-hydroxy-L-lysinium(1+)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
hmbil	Hydroxymethylbilane	Organoheterocyclic compounds	Tetrapyrroles and derivatives	
hmfurn	Norfuraneol	Organoheterocyclic compounds	Dihydrofurans	Furanones
hmgcoa	3-Hydroxy-3-methylglutaryl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
hmgth	S-(Hydroxymethyl)glutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
hom__L	L-Homoserine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
hpa	Heptanoic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
hpal	Heptanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
hpdcal	Heptadecanal	Lipids and lipid-like molecules	Fatty Acyls	Fatty aldehydes
hpglu	Tetrahydropteroyltri-L-glutamate	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
hphaccoa	4-Hydroxyphenylacetyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
hpyr	Hydroxypyruvic acid	Organic acids and derivatives	Hydroxy acids and derivatives	Beta hydroxy acids and derivatives
hqn	Hydroquinone	Benzenoids	Phenols	Benzenediols
hspmd	4,4'-Diaminodibutylamine	Organic nitrogen compounds	Organonitrogen compounds	Amines
hxa	Caproic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
hxa	Caproate (6:0)	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
hxal	Hexanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
hxan	Hypoxanthine	Organoheterocyclic compounds	Imidazopyrimidines	Purines and purine derivatives
hxc2coa	(2E)-Hexacosenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
hxdcal	Palmitaldehyde	Lipids and lipid-like molecules	Fatty Acyls	Fatty aldehydes
i	Iodide	Homogeneous non-metal compounds	Homogeneous halogens	
i	I(-)	Homogeneous non-metal compounds	Halogen organides	Halogen hydrides
iad	1H-Indole-3-acetamide	Organoheterocyclic compounds	Indoles and derivatives	Indoles
iamac	Isopentyl acetate	Organic acids and derivatives	Carboxylic acids and derivatives	Carboxylic acid derivatives
iamoh	Isopentanol	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
iasp	Iminoaspartic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Dicarboxylic acids and derivatives
ibcoa	Isobutyryl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
ibt	Isobutyric acid	Organic acids and derivatives	Carboxylic acids and derivatives	Carboxylic acids
ibutac	2-Methylpropyl acetate	Organic acids and derivatives	Carboxylic acids and derivatives	Carboxylic acid derivatives
ibutoh	Isobutanol	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
icit	Isocitric acid	Organic acids and derivatives	Carboxylic acids and derivatives	Tricarboxylic acids and derivatives
idp	IDP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
ile__L	L-Isoleucine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
im4ac	Imidazoleacetic acid	Organoheterocyclic compounds	Azoles	Imidazoles
imzac	Imidazoleacetic acid	Organoheterocyclic compounds	Azoles	Imidazoles
im4act	Imidazole-4-acetaldehyde	Organoheterocyclic compounds	Azoles	Imidazoles
imzacd	Imidazole-4-acetaldehyde	Organoheterocyclic compounds	Azoles	Imidazoles
imacp	Imidazole acetol-phosphate	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
imp	Inosinic acid	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
ind3ac	Indoleacetic acid	Organoheterocyclic compounds	Indoles and derivatives	Indolyl carboxylic acids and derivatives
ind3acnl	3-Indoleacetonitrile	Organoheterocyclic compounds	Indoles and derivatives	Indoles
ind3eth	Tryptophanol	Organoheterocyclic compounds	Indoles and derivatives	Indoles
indole	Indole	Organoheterocyclic compounds	Indoles and derivatives	Indoles
indpyr	Indolepyruvate	Organoheterocyclic compounds	Indoles and derivatives	Indolyl carboxylic acids and derivatives
inoshp	Myo-inositol hexakisphosphate	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
minohp	Myo-inositol hexakisphosphate	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
inost	myo-Inositol	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
ins	Inosine	Nucleosides, nucleotides, and analogues	Purine nucleosides	
iodine	Iodine	Homogeneous non-metal compounds	Homogeneous halogens	
ipdp	Isopentenyl pyrophosphate	Lipids and lipid-like molecules	Prenol lipids	Isoprenoid phosphates
isetac	2-Hydroxyethanesulfonate	Organic acids and derivatives	Organic sulfonic acids and derivatives	Organosulfonic acids and derivatives
istnt	2-Hydroxyethanesulfonate	Organic acids and derivatives	Organic sulfonic acids and derivatives	Organosulfonic acids and derivatives
itaccoa	Itaconyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
itacon	Itaconic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
itp	Inosine triphosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
ivcoa	Isovaleryl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
ivcrn	Isovalerylcarnitine	Lipids and lipid-like molecules	Fatty Acyls	Fatty acid esters
k	Potassium	Homogeneous metal compounds	Homogeneous alkali metal compounds	
lac6p	Lactose 6-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
lac__D	D-Lactic acid	Organic acids and derivatives	Hydroxy acids and derivatives	Alpha hydroxy acids and derivatives
lac__L	L-Lactic acid	Organic acids and derivatives	Hydroxy acids and derivatives	Alpha hydroxy acids and derivatives
lald__D	D-Lactaldehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
lanost	Lanosterin	Lipids and lipid-like molecules	Prenol lipids	Triterpenoids
leu__L	L-Leucine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
leugly	Leucyl-Glycine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
leuktrA4	Leukotriene A4	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
leuktrC4	Leukotriene C4	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
leuleu	Leucyl-Leucine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
lgt__S	S-Lactoylglutathione	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
lgt__S	(R)-S-lactoylglutathionate(1-)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
lido	Lidocaine	Benzenoids	Benzene and substituted derivatives	Xylenes
limnen	Polylimonene	Lipids and lipid-like molecules	Prenol lipids	Monoterpenoids
lipoate	(R)-lipoic acid	Organoheterocyclic compounds	Dithiolanes	Lipoic acids and derivatives
lnlc	Linoleic acid	Lipids and lipid-like molecules	Fatty Acyls	Lineolic acids and derivatives
lnlccoa	Linoleoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
lnlccoa	9Z,12Z-octadecadienoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
lnlnca	Alpha-Linolenic acid	Lipids and lipid-like molecules	Fatty Acyls	Lineolic acids and derivatives
lnlncacoa	Alpha-Linolenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
lnlncacoa	9Z,12Z,15Z-octadecatrienoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
lpam	Lipoamide	Organoheterocyclic compounds	Dithiolanes	Lipoamides
lut	Lutein	Lipids and lipid-like molecules	Prenol lipids	Tetraterpenoids
lycop	Lycopene	Lipids and lipid-like molecules	Prenol lipids	Tetraterpenoids
lys__D	D-Lysine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
lys__L	L-Lysine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
m1ocdca	Methyl stearate	Lipids and lipid-like molecules	Fatty Acyls	Fatty acid esters
m2mn	(a-D-mannosyl)2-b-D-mannosyl-N-acetylglucosamine	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
m_tol	M-toluic Acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
m_xyl	m-Xylene	Benzenoids	Benzene and substituted derivatives	Xylenes
mal__D	D-Malic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
mal__L	L-Malic acid	Organic acids and derivatives	Hydroxy acids and derivatives	Beta hydroxy acids and derivatives
malcoa	Malonyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
male	Maleic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Dicarboxylic acids and derivatives
malon	Malonic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Dicarboxylic acids and derivatives
malthp	Maltoheptaose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
malthx	Maltohexaose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
maltpt	Maltopentaose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
malttr	Maltotriose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
maltttr	Maltotetraose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
man	D-Mannose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
man1p	D-Mannose 1-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
man6pglyc	2-O-(6-Phospho-alpha-mannosyl)-D-glycerate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
mannan	Mannan	Organooxygen compounds	Carbohydrates and carbohydrate conjugates	Oligosaccharides
meglyxyl	Monoethylglycinexylidide	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
melanin	Melanin	Benzenoids	Anthracenes	
melt	Melibiitol	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl glycosides
meoh	Methanol	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
mercppyr	3-Mercaptopyruvic acid	Organic acids and derivatives	Keto acids and derivatives	Alpha-keto acids and derivatives
mergtrol	Delta 8,14 -Sterol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Ergostane steroids
met_L_phe__L	Methionyl-Phenylalanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
met__L	L-Methionine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
methf	5,10-Methenyltetrahydrofolic acid	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
methf	(6R)-5,10-methenyltetrahydrofolate	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
mev__R	(R)-mevalonate	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
mfecostrl	4a-Methylfecosterol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Ergostane steroids
mg2	Magnesium	Homogeneous metal compounds	Homogeneous alkaline earth metal compounds	
mhista	1-Methylhistamine	Organic nitrogen compounds	Organonitrogen compounds	Amines
mhista	3-Methylhistamine	Organic nitrogen compounds	Organonitrogen compounds	Amines
mhista	N-Methylhistamine	Organic nitrogen compounds	Organonitrogen compounds	Amines
mhista	N(tele)-methylhistaminium	Organic nitrogen compounds	Organonitrogen compounds	Amines
mhpglu	5-Methyltetrahydropteroyltri-L-glutamate	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
mi3p__D	Myo-inositol 1-phosphate	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
mi3p__D	1D-myo-Inositol 3-phosphate	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
mi4p__D	D-Myo-inositol 4-phosphate	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
micit	Methylisocitric acid	Organic acids and derivatives	Carboxylic acids and derivatives	Tricarboxylic acids and derivatives
mincyc	Minocycline	Phenylpropanoids and polyketides	Tetracyclines	
mma	Methylamine	Organic nitrogen compounds	Organonitrogen compounds	Amines
mmcoa__R	R-Methylmalonyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
mmcoa__S	S-Methylmalonyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
mmtsa	(S)-Methylmalonic acid semialdehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
mn	Beta-1,4-mannose-N-acetylglucosamine	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
mndn	Menadione	Benzenoids	Naphthalenes	Naphthoquinones
mnl	Mannitol	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
mnl1p	Mannitol 1-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
mnt	D-Gal alpha 1->6D-Gal alpha 1->6D-Glucose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
mptamp	Adenylyl-molybdopterin	Nucleosides, nucleotides, and analogues	Molybdopterin dinucleotides	
mqn6	Menatetrenone	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
msa	Malonic semialdehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
mthgxl	Pyruvaldehyde	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
n2	Nitrogen	Homogeneous non-metal compounds	Other non-metal organides	Other non-metal nitrides
n2o	Nitrous oxide	Homogeneous non-metal compounds	Other non-metal organides	Other non-metal nitrides
n4abutn	N4-Acetylaminobutanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
n8aspmd	N8-Acetylspermidine	Organic acids and derivatives	Carboximidic acids and derivatives	Carboximidic acids
n8aspmd	N(8)-Acetylspermidinium	Organic acids and derivatives	Carboximidic acids and derivatives	Carboximidic acids
na1	Sodium	Homogeneous metal compounds	Homogeneous alkali metal compounds	
na15dap	Aminopropylcadaverine	Organic nitrogen compounds	Organonitrogen compounds	Amines
nac	Nicotinic acid	Organoheterocyclic compounds	Pyridines and derivatives	Pyridinecarboxylic acids and derivatives
nad	NAD	Nucleosides, nucleotides, and analogues	(5'->5')-dinucleotides	
nadh	NADH	Nucleosides, nucleotides, and analogues	(5'->5')-dinucleotides	
nadp	NADP	Nucleosides, nucleotides, and analogues	(5'->5')-dinucleotides	
nadph	NADPH	Nucleosides, nucleotides, and analogues	(5'->5')-dinucleotides	
naglc2p	N-Acetyl-D-glucosaminyldiphosphodolichol	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
ncam	Niacinamide	Organoheterocyclic compounds	Pyridines and derivatives	Pyridinecarboxylic acids and derivatives
nebari	Nebularine	Nucleosides, nucleotides, and analogues	Purine nucleosides	
neoxan	Neoxanthin	Lipids and lipid-like molecules	Prenol lipids	Tetraterpenoids
neuspn	Neurosporene	Lipids and lipid-like molecules	Prenol lipids	Tetraterpenoids
nh3	Ammonia	Homogeneous non-metal compounds	Homogeneous other non-metal compounds	
nh3	Ammonium	Homogeneous non-metal compounds	Homogeneous other non-metal compounds	
nh4	Ammonium	Homogeneous non-metal compounds	Homogeneous other non-metal compounds	
ni2	Nickel	Homogeneous metal compounds	Homogeneous transition metal compounds	
nicrns	Nicotinate D-ribonucleoside	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
nicrnt	nicotinate beta-D-ribonucleotide	Organooxygen compounds	Carbohydrates and carbohydrate conjugates	Glycosyl compounds
nifedipine	Nifedipine	Organoheterocyclic compounds	Pyridines and derivatives	Hydropyridines
nmn	Nicotinamide ribotide	Nucleosides, nucleotides, and analogues	Pyridine nucleotides	Nicotinamide nucleotides
nmn	beta-nicotinamide D-ribonucleotide	Nucleosides, nucleotides, and analogues	Pyridine nucleotides	Nicotinamide nucleotides
nmptrc	N-Methylputrescine	Organic nitrogen compounds	Organonitrogen compounds	Amines
no	Nitric oxide	Homogeneous non-metal compounds	Other non-metal organides	Other non-metal oxides
no2	Nitrite	Inorganic compounds	Homogeneous non-metal compounds	Non-metal oxoanionic compounds
no3	Nitrate	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal nitrates
nonal	Nonanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
novbcn	Novobiocin	Phenylpropanoids and polyketides	Coumarins and derivatives	Coumarin glycosides
npthld	Naphthalene-1,2-diol	Benzenoids	Naphthalenes	Naphthols and derivatives
nrpphr	Norepinephrine	Benzenoids	Phenols	Benzenediols
o2	Oxygen	Homogeneous non-metal compounds	Other non-metal organides	Other non-metal oxides
o2s	Superoxide	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal superoxides
oaa	Oxalacetic acid	Organic acids and derivatives	Keto acids and derivatives	Short-chain keto acids and derivatives
obfool	Obtusifoliol	Lipids and lipid-like molecules	Prenol lipids	Triterpenoids
oc2coa	(2E)-Octenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
occoa	Octanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
ocdca	Stearic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
ocdcal	Stearaldehyde	Lipids and lipid-like molecules	Fatty Acyls	Fatty aldehydes
ocdce9coa	Oleoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
ocdce9coa	9Z-octadecenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
ocdcea	Oleic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
ocdcecoa	cis-Vaccenoyl CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
octa	Caprylic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
octa	octanoate radical	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
octal	Octanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
octdp	Octaprenyl diphosphate	Lipids and lipid-like molecules	Prenol lipids	Tetraterpenoids
od2coa	trans-Octadec-2-enoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
od2coa	Trans-2-octadecenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
ohpb	2-Oxo-3-hydroxy-4-phosphobutanoic acid	Organic acids and derivatives	Keto acids and derivatives	Short-chain keto acids and derivatives
orn	Ornithine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
orn__L	Ornithine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
orn__D	D-Ornithine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
orot	Orotic acid	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
orot5p	Orotidylic acid	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine ribonucleotides
oxa	Oxalic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Dicarboxylic acids and derivatives
oxadpcoa	3-Oxoadipyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
oxptn	Glutarate semialdehyde	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
p_tol	4-Methylbenzoic acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
p_xyl	p-Xylene	Benzenoids	Benzene and substituted derivatives	Xylenes
pa160	PA(16:0/16:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphates
pac	Phenylacetic acid	Benzenoids	Benzene and substituted derivatives	
pac	Phenyl acetate	Benzenoids	Phenol esters	
pacald	Phenylacetaldehyde	Benzenoids	Benzene and substituted derivatives	Phenylacetaldehydes
pad	2-Phenylacetamide	Benzenoids	Benzene and substituted derivatives	Phenylacetamides
paf_hs	2-acetyl-1-alkyl-sn-glycero-3-phosphocholine	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphocholines
pail345p_cho	Phosphatidylinositol-3,4,5-trisphosphate	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
pail34p_cho	1-phosphatidyl-1D-myo-inositol-3,4-bisphosphate	Organooxygen compounds	Alcohols and polyols	Cyclic alcohols and derivatives
pail34p_cho	1-Phosphatidyl-1D-myo-inositol 3,4-bisphosphate	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoinositol phosphates
pail3p_cho	1-Phosphatidyl-1D-myo-inositol 3-phosphate	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
pail_cho	1-Phosphatidyl-D-myo-inositol	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoinositols
pan4p	Pantetheine 4'-phosphate	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
pap	Adenosine 3',5'-diphosphate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
paps	Phosphoadenosine phosphosulfate	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
paps	3'-phosphonato-5'-adenylyl Sulfate(4-)	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
pchlld	Protochlorophyllide	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Metallotetrapyrroles
pdx5p	Pyridoxine 5'-phosphate	Organoheterocyclic compounds	Pyridines and derivatives	Pyridoxines
pe140	PE(14:0/14:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
pe160	PE(16:0/16:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
pe161	PE(16:1(9Z)/16:1(9Z))	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
pe180	PE(18:0/18:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
pe18111Z1819Z	PE(18:1(11Z)/18:1(9Z))	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
pe18111Z1829Z12Z	PE(18:1(11Z)/18:2(9Z,12Z))	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
pe1819Z1819Z	PE(18:1(9Z)/18:1(9Z))	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
pe_cho	Phosphatidylethanolamine	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
pe_hs	Phosphatidylethanolamine	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoethanolamines
peamn	Phenylethylamine	Benzenoids	Benzene and substituted derivatives	Phenethylamines
peamn	2-Phenylethanaminium	Benzenoids	Benzene and substituted derivatives	Phenethylamines
pectin	Pectin	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
pencilca	Penicilloic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
peng	Penicillin G	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
pep	Phosphoenolpyruvic acid	Organic acids and derivatives	Organic phosphoric acids and derivatives	Phosphate esters
pg160	PG(16:0/16:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoglycerols
pg180	PG(18:0/18:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoglycerols
pgp160	PGP(16:0/16:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoglycerophosphates
pgp180	PGP(18:0/18:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoglycerophosphates
phaccoa	Phenylacetyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
phdp	Phytyl diphosphate	Lipids and lipid-like molecules	Prenol lipids	Diterpenoids
phe__L	L-Phenylalanine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
pheac	2-Phenylethyl acetate	Benzenoids	Benzene and substituted derivatives	
pheacgly	Phenylacetylglycine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
phenol	Phenol	Benzenoids	Phenols	1-hydroxy-4-unsubstituted benzenoids
phitcoa	E-Phenylitaconyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
phllqne	Phytonadione	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
pholys	5-phosphonooxy-L-lysine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
phom	O-Phosphohomoserine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
phom	O-phosphonato-L-homoserine(2-)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
phpyr	Phenylpyruvic acid	Benzenoids	Benzene and substituted derivatives	Phenylpyruvic acid derivatives
phthr	O-Phospho-4-hydroxy-L-threonine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
phytol	Phytol	Lipids and lipid-like molecules	Prenol lipids	Diterpenoids
pi	Phosphate	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal phosphates
pime	Pimelic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
pmtcoa	Palmityl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
pmtcoa	hexadecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
pp2coa	Acrylyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
prpncoa	Acrylyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
ppal	Propanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
ppbng	Porphobilinogen	Organic nitrogen compounds	Organonitrogen compounds	Amines
ppcoa	Propionyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
ppgpp	Guanosine 3',5'-bis(diphosphate)	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
pphn	Prephenate	Organic acids and derivatives	Keto acids and derivatives	Gamma-keto acids and derivatives
ppi	Pyrophosphate	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal pyrophosphates
ppmi12346p	5-Diphosphoinositol pentakisphosphate	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
ppmi1346p	Diphosphoinositol tetrakisphosphate	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
ppoh	Propyl alcohol	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
ppp9	Protoporphyrin IX	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Porphyrins
pppg9	Protoporphyrinogen IX	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Porphyrins
pppi	Triphosphate	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal phosphates
pppi	PPPi	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal phosphates
pppn	Hydrocinnamic acid	Phenylpropanoids and polyketides	Phenylpropanoic acids	
ppt	Phosphite	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal phosphites
pqq	Pyrroloquinoline quinone	Organoheterocyclic compounds	Quinolines and derivatives	Pyrroloquinolines
pram	5-Phosphoribosylamine	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
pram	5-phospho-beta-D-ribosylaminium(1-)	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
prbamp	Phosphoribosyl-AMP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
prbatp	Phosphoribosyl-ATP	Nucleosides, nucleotides, and analogues	Purine nucleotides	Purine ribonucleotides
prephytedp	Prephytoene diphosphate	Lipids and lipid-like molecules	Prenol lipids	Triterpenoids
preq1	7-Aminomethyl-7-carbaguanine	Organoheterocyclic compounds	Pyrrolopyrimidines	Pyrrolo[2,3-d]pyrimidines
prfp	PhosphoribosylformiminoAICAR-phosphate	Nucleosides, nucleotides, and analogues	Imidazole ribonucleosides and ribonucleotides	1-ribosyl-imidazolecarboxamides
prgnlone	Pregnenolone	Lipids and lipid-like molecules	Steroids and steroid derivatives	Pregnane steroids
pristanal	Pristanal	Lipids and lipid-like molecules	Prenol lipids	Diterpenoids
pro__L	L-Proline	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
prolb	Proline betaine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
prpp	Phosphoribosyl pyrophosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
prpp	5-O-phosphonato-alpha-D-ribofuranosyl Diphosphate(5-)	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
ps160	PS(16:0/16:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoserines
ps180	PS(18:0/18:0)	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoserines
ps_cho	Phosphatidylserine	Lipids and lipid-like molecules	Glycerophospholipids	Glycerophosphoserines
pser__L	Phosphoserine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
psphings	Phytosphingosine	Organic nitrogen compounds	Organonitrogen compounds	Amines
psqldp	Presqualene diphosphate	Lipids and lipid-like molecules	Prenol lipids	Triterpenoids
pt2coa	(2E)-Pentenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
pta	Valeric acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
ptal	Pentanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
ptcoa	Pentanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
ptdcal	Pentadecanal	Lipids and lipid-like molecules	Fatty Acyls	Fatty aldehydes
ptrc	Putrescine	Organic nitrogen compounds	Organonitrogen compounds	Amines
ptth	Pantetheine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
purine	Purine	Organoheterocyclic compounds	Imidazopyrimidines	Purines and purine derivatives
pyam5p	Pyridoxamine 5'-phosphate	Organoheterocyclic compounds	Pyridines and derivatives	Pyridoxamines
pydam	Pyridoxamine	Organoheterocyclic compounds	Pyridines and derivatives	Pyridoxamines
pydam	Pyridoxaminium(1+)	Organoheterocyclic compounds	Pyridines and derivatives	Pyridoxamines
pydx	Pyridoxal	Organoheterocyclic compounds	Pyridines and derivatives	Pyridine carboxaldehydes
pydx5p	Pyridoxal 5'-phosphate	Organoheterocyclic compounds	Pyridines and derivatives	Pyridine carboxaldehydes
pydxn	Pyridoxine	Organoheterocyclic compounds	Pyridines and derivatives	Pyridoxines
pyr	Pyruvic acid	Organic acids and derivatives	Keto acids and derivatives	Alpha-keto acids and derivatives
q10	Coenzyme Q10	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
q10h2	Ubiquinol-10	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
q6	Ubiquinone 6	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
q6h2	Ubiquinol-6	Lipids and lipid-like molecules	Prenol lipids	Polyprenylphenols
q8h2	Ubiquinol 8	Lipids and lipid-like molecules	Prenol lipids	Quinone and hydroquinone lipids
quc	Quercetin	Phenylpropanoids and polyketides	Flavonoids	Flavones
quin	Quinic acid	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
quln	Quinolinic acid	Organoheterocyclic compounds	Pyridines and derivatives	Pyridinecarboxylic acids and derivatives
r1p	Ribose 1-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
raffin	Raffinose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
rbl__D	D-Ribulose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
rbt	Ribitol	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
rdmbzi	N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole	Nucleosides, nucleotides, and analogues	Benzimidazole ribonucleosides and ribonucleotides	
retinal	Retinal	Lipids and lipid-like molecules	Prenol lipids	Retinoids
retinal_11_cis	11-cis-Retinaldehyde	Lipids and lipid-like molecules	Prenol lipids	Retinoids
retn	all-trans-Retinoic acid	Lipids and lipid-like molecules	Prenol lipids	Retinoids
retpalm	Retinyl palmitate	Lipids and lipid-like molecules	Fatty Acyls	Fatty acid esters
retpalm_11_cis	11-cis-Retinyl palmitate	Lipids and lipid-like molecules	Fatty Acyls	Fatty acid esters
rfamp	Rifampin	Organoheterocyclic compounds	Naphthofurans	
rib__D	D-Ribose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
ribflv	Riboflavin	Organoheterocyclic compounds	Pteridines and derivatives	Alloxazines and isoalloxazines
rml	L-Rhamnulose	Lipids and lipid-like molecules	Fatty Acyls	Fatty alcohols
rmn	Rhamnose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
rnam	Nicotinamide riboside	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
ru5p__D	D-Ribulose 5-phosphate	Organooxygen compounds	Carbohydrates and carbohydrate conjugates	Monosaccharides
s17bp	Sedoheptulose 1,7-bisphosphate	Organooxygen compounds	Carbohydrates and carbohydrate conjugates	Monosaccharides
s7p	D-Sedoheptulose 7-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
s7p	Sedoheptulose 7-phosphate(2-)	Organic compounds	Organic oxygen compounds	Organooxygen compounds
saccrp__L	Saccharopine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
saccrp__L	L-saccharopinate(1-)	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
salc	Salicylic acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
salcn	Salicin	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
sarcs	Sarcosine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
sbt__D	Sorbitol	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
scys__L	Cysteine-S-sulfate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
slfcys	Cysteine-S-sulfate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
seasmet	Se-Adenosylselenomethionine	Nucleosides, nucleotides, and analogues	5'-deoxyribonucleosides	
sel	Selenate	Mixed metal/non-metal compounds	Other mixed metal/non-metal oxoanionic compounds	Non-metal selenates
selcys	Selenocysteine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
selcyst	L-Selenocystathionine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
selhcys	Selenohomocysteine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
selmeth	Selenomethionine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
seln	Hydrogen selenide	Homogeneous non-metal compounds	Homogeneous other non-metal compounds	
selnp	Selenophosphate	Mixed metal/non-metal compounds	Other mixed metal/non-metal oxoanionic compounds	Non-metal selenophosphates
ser__D	D-Serine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
ser__L	L-Serine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
skm	Shikimic acid	Organic oxygen compounds	Organooxygen compounds	Alcohols and polyols
sl26da	N-Succinyl-L,L-2,6-diaminopimelate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
sl2a6o	N-Succinyl-2-amino-6-ketopimelate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
sl__L	(S)-3-Sulfonatolactate	Organic acids and derivatives	Hydroxy acids and derivatives	Alpha hydroxy acids and derivatives
slnt	Selenite	Inorganic compounds	Mixed metal/non-metal compounds	Other mixed metal/non-metal oxoanionic compounds
so2	Sulfur dioxide	Homogeneous non-metal compounds	Other non-metal organides	Other non-metal oxides
so3	Sulfite	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal sulfites
so3	Hydrogen sulfite	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal sulfites
so3	Sulfurous acid	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal sulfites
so4	Sulfate	Homogeneous non-metal compounds	Non-metal oxoanionic compounds	Non-metal sulfates
sph1p	Sphinganine 1-phosphate	Lipids and lipid-like molecules	Sphingolipids	Phosphosphingolipids
sphgn	Sphinganine	Organic nitrogen compounds	Organonitrogen compounds	Amines
spmd	Spermidine	Organic nitrogen compounds	Organonitrogen compounds	Amines
sprm	Spermine	Organic nitrogen compounds	Organonitrogen compounds	Amines
sql	Squalene	Lipids and lipid-like molecules	Prenol lipids	Triterpenoids
srb1p	Sorbose 1-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
srb__L	L-Sorbose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
srtn	Serotonin	Organoheterocyclic compounds	Indoles and derivatives	Tryptamines and derivatives
stchs	Stachyose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
stys	Stachyose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
stcoa	Stearoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
strcoa	Stearoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
subeac	Suberic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
succ	Succinic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Dicarboxylic acids and derivatives
succoa	Succinyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
sucorn	N2-Succinyl-L-ornithine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
sucr	Sucrose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
sucsal	Succinic acid semialdehyde	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
tag16018111Z160	TG(16:0/18:1(11Z)/16:0)	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag16018111Z180	TG(16:0/18:1(11Z)/18:0)	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag16018111Z18111Z	TG(16:0/18:1(11Z)/18:1(11Z))	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag16018111Z1819Z	TG(16:0/18:1(11Z)/18:1(9Z))	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag1601819Z160	TG(16:0/18:1(9Z)/16:0)	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag1601819Z18111Z	TG(16:0/18:1(9Z)/18:1(11Z))	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag1801819Z180	TG(18:0/18:1(9Z)/18:0)	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag1801819Z18111Z	TG(18:0/18:1(9Z)/18:1(11Z))	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag1801819Z1819Z	TG(18:0/18:1(9Z)/18:1(9Z))	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag18111Z18111Z18111Z	TG(18:1(11Z)/18:1(11Z)/18:1(11Z))	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag18111Z18111Z1819Z	TG(18:1(11Z)/18:1(11Z)/18:1(9Z))	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag18111Z1819Z18111Z	TG(18:1(11Z)/18:1(9Z)/18:1(11Z))	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag18111Z1819Z1819Z	TG(18:1(11Z)/18:1(9Z)/18:1(9Z))	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag1819Z18111Z1819Z	TG(18:1(9Z)/18:1(11Z)/18:1(9Z))	Lipids and lipid-like molecules	Glycerolipids	Triradylcglycerols
tag1p__D	D-Tagatose 1-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
tag6p__D	D-Tagatose 6-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
tag__D	D-Tagatose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
tagdp__D	D-Tagatose 1,6-bisphosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
tartr__D	D-Tartaric acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
tartr__L	Tartaric acid	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
taur	Taurine	Organic acids and derivatives	Organic sulfonic acids and derivatives	Organosulfonic acids and derivatives
taxol	Paclitaxel	Lipids and lipid-like molecules	Prenol lipids	Diterpenoids
tcb	1,2,3-Propanetricarboxylic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Tricarboxylic acids and derivatives
tchola	Taurocholic acid	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
tcynt	Thiocyanate	Organosulfur compounds	Thiocyanates	
td2coa	(2E)-Tetradecenoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
tdchola	Taurochenodesoxycholic acid	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
tdcoa	Tetradecanoyl-CoA	Lipids and lipid-like molecules	Fatty Acyls	Fatty acyl thioesters
tdechola	Taurodeoxycholic acid	Lipids and lipid-like molecules	Steroids and steroid derivatives	Bile acids, alcohols and derivatives
tgua	Thioguanine	Organoheterocyclic compounds	Imidazopyrimidines	Purines and purine derivatives
thbpt	Tetrahydrobiopterin	Organoheterocyclic compounds	Pteridines and derivatives	Pterins and derivatives
thcys	Thiocysteine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
thmmp	Thiamine monophosphate	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
thmpp	Thiamine pyrophosphate	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
thmpp	Thiamine(1+) Diphosphate(1-)	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
thmtp	Thiamine triphosphate	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
thp2c	(S)-2,3,4,5-Tetrahydropiperidine-2-carboxylate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
thp2c	(S)-2,3,4,5-tetrahydropyridine-2-carboxylate	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
thptdn	Tetrahydropteridine	Organoheterocyclic compounds	Pteridines and derivatives	
thr__L	L-Threonine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
thrp	O-Phosphothreonine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
thym	Thymine	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
thymd	Thymidine	Nucleosides, nucleotides, and analogues	Pyrimidine nucleosides	Pyrimidine 2'-deoxyribonucleosides
tma	Trimethylamine	Organic nitrogen compounds	Organonitrogen compounds	Amines
tmao	Trimethylamine N-oxide	Organic nitrogen compounds	Organonitrogen compounds	Aminoxides
tmlys	N6,N6,N6-Trimethyl-L-lysine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
tol	Toluene	Benzenoids	Benzene and substituted derivatives	Toluenes
tolbutamide	Tolbutamide	Benzenoids	Benzene and substituted derivatives	Benzenesulfonamides
trdca	Tridecanoic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
trdcal	Tridecanal	Lipids and lipid-like molecules	Fatty Acyls	Fatty aldehydes
tre	Trehalose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
tre6p	Trehalose 6-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
trp__L	L-Tryptophan	Organoheterocyclic compounds	Indoles and derivatives	Indolyl carboxylic acids and derivatives
trypta	Tryptamine	Organoheterocyclic compounds	Indoles and derivatives	Tryptamines and derivatives
ttdcal	Tetradecanal	Lipids and lipid-like molecules	Fatty Acyls	Fatty aldehydes
ttdcrn	Tetradecanoylcarnitine	Lipids and lipid-like molecules	Fatty Acyls	Fatty acid esters
ttrcyc	Tetracycline	Phenylpropanoids and polyketides	Tetracyclines	
txa2	Thromboxane A2	Lipids and lipid-like molecules	Fatty Acyls	Eicosanoids
tym	Tyramine	Benzenoids	Benzene and substituted derivatives	Phenethylamines
tym	Tyraminium	Benzenoids	Benzene and substituted derivatives	Phenethylamines
tyr__L	L-Tyrosine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
tyrp	O-Phosphotyrosine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
uacgam	Uridine diphosphate-N-acetylglucosamine	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
uacgam	UDP-N-acetyl-alpha-D-glucosamine(2-)	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
uacmam	UDP-N-acetyl-D-mannosamine	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
udca	Undecanoic acid	Lipids and lipid-like molecules	Fatty Acyls	Fatty acids and conjugates
udcal	Undecanal	Organic oxygen compounds	Organooxygen compounds	Carbonyl compounds
udcpdp	Undecaprenyl diphosphate	Lipids and lipid-like molecules	Prenol lipids	Polyprenols
udp	Uridine 5'-diphosphate	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine ribonucleotides
udparab	UDP-L-arabinose	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine ribonucleotides
udpg	[(2R,3S,4R,5R)-5-(2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl {[(3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl phosphonato]oxy}phosphonate	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
udpgal	UDP-D-galactose(2-)	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
udpgalur	UDP-D-galacturonate	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
udpglcur	Uridine diphosphate glucuronic acid	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine nucleotide sugars
udpxyl	UDP-D-Xylose	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine ribonucleotides
ump	Uridine 5'-monophosphate	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine ribonucleotides
unagamu	Undecaprenyl N-acetyl-glucosaminyl-N-acetyl-mannosaminuronate pyrophosphate	Lipids and lipid-like molecules	Prenol lipids	Polyprenols
upp1	Uroporphyrin I	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Porphyrins
upp3	Uroporphyrin III	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Porphyrins
uppg1	Uroporphyrinogen I	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Porphyrins
uppg3	Uroporphyrinogen III	Organoheterocyclic compounds	Tetrapyrroles and derivatives	Porphyrins
ura	Uracil	Organoheterocyclic compounds	Diazines	Pyrimidines and pyrimidine derivatives
urate	Uric acid	Organoheterocyclic compounds	Imidazopyrimidines	Purines and purine derivatives
urcan	Urocanic acid	Organoheterocyclic compounds	Azoles	Imidazoles
urcan	Trans-urocanate	Organic compounds	Organoheterocyclic compounds	Azoles
urdglyc	(S)-Ureidoglycolic acid	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
urea	Urea	Organic acids and derivatives	Organic carbonic acids and derivatives	Ureas
uri	Uridine	Nucleosides, nucleotides, and analogues	Pyrimidine nucleosides	
utp	Uridine triphosphate	Nucleosides, nucleotides, and analogues	Pyrimidine nucleotides	Pyrimidine ribonucleotides
val__L	L-Valine	Organic acids and derivatives	Carboxylic acids and derivatives	Amino acids, peptides, and analogues
vanln	Vanillin	Benzenoids	Phenols	Methoxyphenols
vanlt	Vanillic acid	Benzenoids	Benzene and substituted derivatives	Benzoic acids and derivatives
vioxan	Violaxanthin	Lipids and lipid-like molecules	Prenol lipids	Tetraterpenoids
xan	Xanthine	Organoheterocyclic compounds	Imidazopyrimidines	Purines and purine derivatives
xol25oh	25-Hydroxycholesterol	Lipids and lipid-like molecules	Steroids and steroid derivatives	Cholestane steroids
xtsn	Xanthosine	Nucleosides, nucleotides, and analogues	Purine nucleosides	
xu5p__D	Xylulose 5-phosphate	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
xyl__D	D-Xylose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
xyl__D	Aldehydo-D-xylose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
xylb	Xylobiose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
xylnact__D	D-Xylono-1,5-lactone	Organoheterocyclic compounds	Lactones	Delta valerolactones
xylu__D	D-Xylulose	Organooxygen compounds	Carbohydrates and carbohydrate conjugates	Monosaccharides
xylu__L	L-Threo-2-pentulose	Organic oxygen compounds	Organooxygen compounds	Carbohydrates and carbohydrate conjugates
zeax	Zeaxanthin	Lipids and lipid-like molecules	Prenol lipids	Tetraterpenoids
zym_int2	Zymosterol intermediate 2	Lipids and lipid-like molecules	Steroids and steroid derivatives	Cholestane steroids