an oxidized electron donor
a reduced electron donor
a deaminated amino group acceptor
an aminated amino group acceptor
Charged-LEU-tRNAs
LEU-tRNAs
a 2-oxo acid
an amino acid
an acyl-CoA
a carboxylate
an oxidized ferredoxin [iron-sulfur] cluster
a reduced ferredoxin [iron-sulfur] cluster
NAD(P)H
NAD(P)+
an L-tyrosyl-[tRNAtyr]
a tRNAtyr
(2Z,4Z)-2-hydroxy-5-carboxymuconate-6-semialdehyde
4α,14α-dimethyl-porifersta-8,25(27)-dienol
2-amino-4,5-dihydroxy-6-oxo-7-(phosphooxy)heptanoate
4-methylcyclohex-1,5-diene-1-carbonyl-CoA
isoshowacene
2-hydroxyhexadecanal
16-sinapoyloxypalmitate
3-methylquinolin-2-ol
(22R)-hydroxycholesterol
N-(2-methylpropyl)hydroxylamine
chloroeremomycin
3-hydroxy-3-methylbutanoate
2',3',4'-O-methyl-rhamnosyl tetracyclic spinosyn pseudoaglycone
2',3'-O-methyl-rhamnosyl tetracyclic spinosyn pseudoaglycone
2'-O-methyl-rhamnosyl tetracyclic spinosyn pseudoaglycone
rhamnosyl tetracyclic spinosyn pseudoaglycone
rhamnosyl tricyclic spinosyn pseudoaglycone
spinosyn tricyclic macrolactone
11-dehydro-15-oxo spinosyn macrolactone
15-oxo spinosyn macrolactone
spinosyn macrolactone
diethylamine N-oxide
triethylamine N-oxide
UDP-2-acetamido-2-deoxy-α-D-ribo-hex-3-uluronate
nitroxyl
trans,octacis-decaprenylphospho-β-D-arabinofuranose
1,3-dihydro-2H-imidazol-2-one
2-phenylethyl β-D-glucopyranoside
formyl hopane
ribosyl hopane
adenosyl hopane
(2Z)-2-hydroxypenta-2,4-dienoate
(2S,4S)-4-hydroxy-2,3,4,5-tetrahydrodipicolinate
(2Z)-2,4-dihydroxypent-2-enoate
(2E,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl-CoA
(3R,5Z,8Z,11Z,14Z,17Z)-3-hydroxydocosapentaenoyl-CoA
(5Z,8Z,11Z,14Z,17Z)-3-oxodocosapentaenoyl-CoA
(+)-3'-hydroxylarreatricin
(+)-larreatricin
2-trans,4-trans-xanthoxin
glutathioselenol
(S)-dihydroorotate
3-methyl-2-oxobutanoate
(S)-3-methyl-2-oxopentanoate
1-deoxy-L-glycero-tetrulose 4-phosphate
3-deoxy-D-manno-octulosonate 8-phosphate
H2O
α-ribazole
2-dehydro-3-deoxy-D-gluconate 6-phosphate
3-dehydroshikimate
4'-phosphopantetheine
shikimate
1,4-dihydroxy-2-naphthoyl-CoA
N5-carboxyaminoimidazole ribonucleotide
acetoacetate
D-gluconate 6-phosphate
2-amino-3-carboxymuconate-6-semialdehyde
urea
(1R,6R)-6-hydroxy-2-succinylcyclohexa-2,4-diene-1-carboxylate
hydrogen selenide
glutathione disulfide
prephenate
(R)-2,3-dihydroxy-3-methylpentanoate
oxaloacetate
CO2
5-dehydro-D-gluconate
2-succinylbenzoate
3-deoxy-D-glycero-2,5-hexodiulosonate
phosphoenolpyruvate
quinolinate
β-nicotinate D-ribonucleotide
selenodiglutathione
prenyl diphosphate
hydrogen peroxide
4-amino-4-deoxychorismate
(2R,3S)-3-isopropylmalate
2-isopropylmaleate
(2S)-2-isopropylmalate
5-aminolevulinate
(S)-4-amino-5-oxopentanoate
7-carboxy-7-deazaguanine
lipid A disaccharide (E. coli)
formate
lipid X
(S)-2-aceto-2-hydroxybutanoate
thiamine diphosphate
2-succinyl-5-enolpyruvoyl-6-hydroxy-3-cyclohexene-1-carboxylate
isochorismate
(R)-mandelate
(S)-mandelate
4-(2'-carboxyphenyl)-4-oxobutyryl-CoA
3-dehydroquinate
3-deoxy-D-arabino-heptulosonate 7-phosphate
(2S)-2-amino-3-oxo-4-phosphooxybutanoate
3-amino-1-hydroxyacetone 1-phosphate
4-phosphooxy-L-threonine
5-enolpyruvoyl-shikimate 3-phosphate
α-ribazole 5'-phosphate
5,6-dimethylbenzimidazole
(S)-2-acetolactate
(R)-4'-phosphopantothenate
(R)-pantothenate
(lipoyl)adenylate
citrate
5-phospho-β-D-ribosylamine
(R)-4'-phosphopantothenoyl-L-cysteine
L-histidinol phosphate
imidazole acetol-phosphate
histidinol
histidinal
3-deoxy-α-D-manno-2-octulosonate
2-dehydropantoate
2-dehydro-3-deoxy-D-gluconate
carbonic acid
xanthine
coproporphyrinogen III
O-acetyl-L-serine
glycolate
adenosine 5'-phosphoselenate
adenosine 5'-phosphosulfate
thiamine phosphate
N1-(5-phospho-β-D-ribosyl)glycinamide
5-amino-6-(D-ribitylamino)uracil
lipid IVA
2-C-methyl-D-erythritol 4-phosphate
anthranilate
N-(5-phosphoribosyl)-anthranilate
DNA without lesion
orotidine 5'-phosphate
5-amino-1-(5-phospho-β-D-ribosyl)imidazole
2-(formamido)-N1-(5-phospho-β-D-ribosyl)acetamidine
5'-phosphoribosyl-4-(N-succinocarboxamide)-5-aminoimidazole
5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate
carbamoyl phosphate
L-canavanine
canavaninosuccinate
L-arginino-succinate
quercitrin
all-trans-13,14-dihydroretinol
nicotinate adenine dinucleotide
3-(O-geranylgeranyl)-sn-glycerol 1-phosphate
4-prenylphlorisobutyrophenone
isopentenyl diphosphate
(4Z)-2-oxohept-4-enedioate
(2Z,4Z)-2-hydroxyhepta-2,4-dienedioate
2-C-methyl-D-erythritol-2,4-cyclodiphosphate
N2-formyl-N1-(5-phospho-β-D-ribosyl)glycinamide
oxalosuccinate
L-selenocystathionine
(E)-4-hydroxy-3-methylbut-2-en-1-yl diphosphate
glycerone phosphate
N-acetylglutamyl-phosphate
shikimate 3-phosphate
acetyl phosphate
γ-L-glutamyl 5-phosphate
(3R,5S)-3-hydroxy-1-pyrroline-5-carboxylate
N-acetyl-L-glutamate 5-semialdehyde
O-ureido-L-homoserine
β-D-ribosylnicotinate
2-maleylacetate
N-acetyl-β-D-glucosamine-1,6-anhydro-N-acetyl-β-D-muramate
4-methyl-2-oxopentanoate
carboxyphosphate
hydroxypyruvate
D-erythro-imidazole-glycerol-phosphate
1-piperideine 6-carboxylate
aminoacetone
1,2-dihydro-β-NADP
(2S,4S)-2-methyl-2,4-dihydroxydihydrofuran-3-one
norspermidine
enol-phenylpyruvate
carboxynorspermidine
ammonia
4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine
(2S,4S)-2-methyl-2,3,3,4-tetrahydroxytetrahydrofuran
1,4-dihydroxy-2-naphthoate
α-D-galactosyl-(1,3)-β-D-galactosyl-(1,4)-N-acetyl-D-glucosamine
β-D-galactosyl-(1→4)-N-acetyl-D-glucosamine
(R)-1-amino-2-propanol O-2-phosphate
(S)-2-amino-6-oxohexanoate
autoinducer 2
S-ribosyl-L-homocysteine
2-oxovalerate
3-ethylmalate
(2S)-2-isopropyl-3-oxosuccinate
(2R,3S)-3-methylmalate
citraconate
3-phosphooxypyruvate
porphobilinogen
carbon monoxide
4-amino-2-methyl-5-(phosphooxymethyl)pyrimidine
(indol-3 yl)acetyl-CoA
(indol-3-yl)pyruvate
luteolin 7-O-β-D-glucuronide
luteolin 7-O-β-D-diglucuronide
luteolin 7-O-[β-D-glucosyluronate-(1,2)-β-D-glucosiduronate]-4'-O-β-D-glucosiduronate
CDP-glycerol
(2R,4S)-2-methyl-2,3,3,4-tetrahydroxytetrahydrofuran
(2R,4S)-2-methyl-2,4-dihydroxydihydrofuran-3-one
L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine
D-alanyl-D-alanine
L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanine
carbamate
L-citrulline
L-glutamate
L-aspartate
L-phenylalanine
L-asparagine
L-glutamine
L-tryptophan
L-alanine
L-lysine
L-serine
L-threonine
L-histidine
glycine
L-arginine
L-tyrosine
L-leucine
L-proline
L-valine
L-isoleucine
L-cysteine
L-methionine
L-homocysteine
S-adenosyl-L-homocysteine
S-adenosyl-L-methionine
O-succinyl-L-homoserine
L-homoserine
O-phospho-L-homoserine
3-sulfino-L-alanine
L-ornithine
L-glutamate-5-semialdehyde
L-aspartate 4-semialdehyde
meso-diaminopimelate
L-aspartyl-4-phosphate
seleno-L-homocysteine
L-2-amino-3-oxobutanoate
L-saccharopine
O-acetyl-L-homoserine
trans-4-hydroxy-L-proline
N-acetyl-L-citrulline
N-acetyl-L-ornithine
N-acetyl-L-glutamate
N-carbamoyl-L-aspartate
L-threonine 3-O-phosphate
3-phospho-L-serine
L,L-diaminopimelate
L-cystathionine
D-alanine
D-glutamate
β-alanine
4-aminobenzoate
D-gluconate
D-mannonate
acetate
5-chloro-5-deoxy-D-ribonate
orotate
(R)-pantoate
(S)-1-pyrroline-5-carboxylate
D-tagaturonate
4-deoxy-L-threo-hex-4-enopyranuronate
aldehydo-D-galacturonate
β-D-glucuronate
pristanate
stearate
octanoate
palmitate
laurate
7-hydroxylaurate
decanoate
18-hydroxyoleate
16-hydroxypalmitate
18-hydroxystearate
phytenate
(15Z)-tetracosenoate
oleate
linoleate
α-linolenate
(R)-glycerate
pyruvate
2-oxoglutarate
5-chloro-4-hydroxy-2-oxopentanoate
2-oxobutanoate
3-phenyl-2-oxopropanoate
cis-aconitate
D-threo-isocitrate
chorismate
α,ω-9Z-octadecenedioate
fumarate
succinate
(S)-malate
1-(5-phospho-β-D-ribosyl)-5-[(5-phosphoribosylamino)methylideneamino]imidazole-4-carboxamide
5-amino-4-imidazolecarboxyamide
5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide
5-formamido-1-(5-phospho-D-ribosyl)-imidazole-4-carboxamide
phosphoribulosylformimino-AICAR-phosphate
phlorisovalerophenone
α-Kdo-(2→6)-lipid IVA
all-trans-retinal
all-trans-retinol
β-carotene
15,15'-dihydroxy-β-carotene
β-carotene 15,15' epoxide
(2E,6E)-farnesyl diphosphate
trans,octacis-decaprenyl phosphate
geranyl diphosphate
4-prenylphlorisovalerophenone
deoxycohumulone
deoxyhumulone
di-trans,octa-cis-undecaprenyl phosphate
di-trans,octa-cis-undecaprenyl diphosphate
geranylgeranyl diphosphate
all-trans-octaprenyl diphosphate
1-oleoyl-2-palmitoyl-phosphatidylglycerol
phosphatidylglycerophosphate (1-octadecenoyl(9Z), 2-palmitoyl)
1-(oleoyl)-sn-glycero-3-phosphoethanolamine
D-altronate
L-idonate
1-(β-D ribofuranosyl)nicotinamide
5-dehydro-4-deoxy-D-glucuronate
decaprenyl-diphospho-N-acetylmuramoyl-pentapeptide
dTDP-4-dehydro-6-deoxy-α-D-glucopyranose
GDP-α-D-mannose
2-phospho-4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol
4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol
dTDP-4-dehydro-β-L-rhamnose
dTDP-β-L-rhamnose
dTDP-α-D-glucose
UDP-α-D-galactose
UDP-3-O-[(3R)-3-hydroxymyristoyl]-N-acetyl-α-D-glucosamine
UDP-2-N,3-O-bis[(3R)-3-hydroxytetradecanoyl]-α-D-glucosamine
UDP-α-D-galactofuranose
UDP-N-acetyl-α-D-glucosamine-enolpyruvate
UDP-N-acetyl-α-D-muramate
UDP-α-D-glucuronate
UDP-α-D-glucose
UDP-N-acetyl-α-D-mannosamine
UDP-3-O-(3-hydroxymyristoyl)-α-D-glucosamine
UDP-N-acetyl-α-D-muramoyl-L-alanine
UDP-N-acetyl-α-D-muramoyl-L-alanyl-D-glutamate
UDP-N-acetyl-α-D-muramoyl-L-alanyl-γ-D-glutamyl-L-lysine
UDP-N-acetyl-α-D-glucosamine
UDP-N-acetyl-α-D-muramoyl-L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimelate
UDP-N-acetyl-α-D-mannosaminuronate
UDP-N-acetyl-α-D-muramoyl-L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine
UDP-N-acetyl-α-D-muramoyl-L-alanyl-γ-D-glutamyl-L-lysyl-D-alanyl-D-alanine
UDP-N-acetyl-α-D-muramoyl-L-alanyl-γ-D-glutamyl-L-lysyl-D-alanine
CMP-N-acetyl-β-neuraminate
CMP-3-deoxy-β-D-manno-octulosonate
p-nitrophenyl-α-L-rhamnopyranoside
1-(o-carboxyphenylamino)-1'-deoxyribulose 5'-phosphate
5-phospho-α-D-ribose 1-diphosphate
D-sedoheptulose 7-phosphate
D-erythrose 4-phosphate
L-rhamnulose 1-phosphate
α-D-galactose 1-phosphate
α-D-glucopyranose 1-phosphate
β-D-fructofuranose 1-phosphate
β-D-glucopyranose 1-phosphate
β-D-fructofuranose 6-phosphate
β-D-fructose 1,6-bisphosphate
D-fructose 6-phosphate
β-D-glucose 6-phosphate
α-D-glucose 6-phosphate
5-fluoro-5-deoxy-D-ribose 1-phosphate
α-D-ribose-1-phosphate
2-deoxy-α-D-ribose 1-phosphate
aldehydo-D-arabinose 5-phosphate
1-deoxy-D-xylulose 5-phosphate
D-xylulose 5-phosphate
D-arabinofuranose 5-phosphate
D-ribulose 5-phosphate
L-ribulose 5-phosphate
D-glyceraldehyde 3-phosphate
undecaprenyldiphospho-N-acetylmuramoyl-L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine
undecaprenyl-diphospho-N-acetylmuramoyl-L-alanyl-γ-D-glutamyl-L-lysyl- D-alanyl-D-alanine
undecaprenyl-diphospho-N-acetylmuramoyl-L-alanyl-γ-D-glutamyl-L-lysyl- D-alanine
a peptidoglycan dimer (E. faecium, tetrapeptide)
a peptidoglycan dimer (S. aureus)
a peptidoglycan dimer (E. faeciums)
GlcNAc-1,6-anhMurNAc-L-Ala-γ-D-Glu-DAP-D-Ala
ditrans,octacis-undecaprenyldiphospho-N-acetyl-(N-acetylglucosaminyl)muramoyl-L-alanyl-γ-D-isoglutaminyl-N-(β-D-asparaginyl)-L-lysyl-D-alanine
ditrans,octacis-undecaprenyldiphospho-[(N-acetyl-β-D-glucosaminyl)-(1,4)-]-N-acetyl-α-D-muramoyl-L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine
ditrans,octacis-undecaprenyldiphospho-N-acetyl-(N-acetylglucosaminyl)muramoyl-L-alanyl-γ-D-isoglutaminyl-L-lysyl-(glycyl)5-D-alanyl-D-alanine
ditrans,octacis-undecaprenyldiphospho-N-acetyl-(N-acetylglucosaminyl)muramoyl-L-alanyl-γ-D-isoglutaminyl-N-(β-D-asparaginyl)-L-lysyl-D-alanyl-D-alanine
a peptidoglycan dimer with pentapeptide stem (meso-diaminopimelate containing)
a peptidoglycan dimer with pentapeptide stems (meso-diaminopimelate containing)
β-L-rhamnopyranose
α-L-rhamnopyranose
β-D-fructofuranose
α-D-galactopyranose
β-D-galactopyranose
α-D-xylopyranose
β-D-glucopyranose
α-D-glucopyranose
D-glyceraldehyde
glycolaldehyde
keto-L-rhamnulose
N-acetylmuramate
N-acetyl-α-D-muramoyl-L-alanine(1-)
N-acetyl-α-D-mannosamine
N-acetyl-β-neuraminate
isoprimeverose
4-deoxy-β-D-gluc-4-enuronosyl-(1,3)-N-acetyl-D-galactosamine
maltotetraose
maltopentaose
maltohexaose
maltotriose
maltoheptaose
unsaturated gellan tetrasaccharide
β-D-Glcp-(1→4)-α-L-Rhap-(1→3)-D-Glcp
ethylene glycol
(R)-propane-1,2-diol
(S)-propane-1,2-diol
1D-myo-inositol 3-monophosphate
butan-1-ol
ethanol
(R)-lactaldehyde
(S)-lactaldehyde
acetaldehyde
butan-1-al
caldariellaquinone
diacetyl
4-hydroxybenzoate
urate
quercetin
luteolin
quercetin-3-glucoside
rutin
hesperidin
hesperitin-7-O-β-D-glucoside
prunin
naringin
caldariellaquinol
3-demethylubiquinol-8
demethylmenaquinol-8
menaquinol-8
ubiquinol-8
4-nitrophenol
indole
(1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate
guanine
adenine
XMP
AMP
GMP
IMP
ATP
GTP
ITP
ADP
GDP
IDP
dADP
dGDP
dIDP
dATP
dGTP
dITP
dGMP
dAMP
hypoxanthine
xanthosine
adenosine
inosine
guanosine
2'-deoxyguanosine
2'-deoxyadenosine
2'-deoxyinosine
7,8-dihydrolumazine
(6R)-6-pyruvoyl-5,6,7,8-tetrahydropterin
6-carboxy-5,6,7,8-tetrahydropterin
tetrahydromethanopterin
7,8-dihydroneopterin 3'-triphosphate
7,8-dihydropterin
[1-(2-amino-7-methyl-4-oxo-7,8-dihydro-3H-pteridin-6-yl)]ethyl diphosphate
2-amino-6-[1-hydroxyethyl]-7-methyl-7,8-dihydropterin
(7,8-dihydropterin-6-yl)methyl diphosphate
6-(hydroxymethyl)-7,8-dihydropterin
7,8-dihydropteroate
5,10-methylene-tetrahydromethanopterin
7,8-dihydrofolate monoglutamate
tetrahydropteroyl tri-L-glutamate
5-methyltetrahydropteroyl tri-L-glutamate
reduced riboflavin
FMNH2
FMN
riboflavin
6,7-dimethyl-8-(1-D-ribityl)lumazine
uracil
preQ1
UDP
CTP
dCMP
dUMP
dTMP
dCDP
CDP
dUDP
dCTP
UTP
dUTP
dTTP
cytidine-3'-monophosphate
cytidine 2',3'-cyclic monophosphate
uridine 3'-monophosphate
uridine 2'3'-cyclic monophosphate
dTDP
CMP
UMP
cytidine
uridine
2'-deoxycytidine
2'-deoxyuridine
thymidine
adenosylcobalamin
sirohydrochlorin
precorrin-1
precorrin-2
coenzyme A
(R)-lipoate
5'-chloro-5'-deoxyadenosine
5-chloro-5-deoxyribose 1-phosphate
1-(5-phospho-β-D-ribosyl)-AMP
1-(5-phospho-β-D-ribosyl)-ATP
ppGpp
pppGpp
5'-deoxyadenosine
cyclic-AMP
guanosine 3'-monophosphate
guanosine 2',3'-cyclic monophosphate
adenosine 3'-monophosphate
adenosine 2',3'-cyclic monophosphate
adenylo-succinate
2-methylsulfanyl-N6-dimethylallyladenosine37 in tRNA
2-sulfanyl-N6-dimethylallyladenosine37 in tRNA
β-nicotinamide D-ribonucleotide
5-hydroxy-CTP
5-hydroxy-CMP
cyclic di-3',5'-guanylate
NADP+
NAD+
NADPH
NADH
5'-deoxy-5'-fluoroadenosine
(S)-NADHX
(R)-NADHX
nicotinate
thiamine
pyridoxamine 5'-phosphate
pyridoxamine
pyridoxine 5'-phosphate
pyridoxine
pyridoxal 5'-phosphate
pyridoxal
phenylacetate
isobutanoyl-CoA
3'-dephospho-CoA
succinyl-CoA
acetyl-CoA
malonyl-CoA
α-linolenoyl-CoA
linoleoyl-CoA
4-hydroxybenzoyl-CoA
phenylacetyl-CoA
oleoyl-CoA
ω-carboxy-(9Z)-octadec-9-enoyl-CoA
acetoacetyl-CoA
16-hydroxypalmitoyl-CoA
palmitoyl-CoA
stearoyl-CoA
18-hydroxyoleoyl-CoA
18-hydroxystearoyl-CoA
pristanoyl-CoA
decanoyl-CoA
7-hydroxylauroyl-CoA
octanoyl-CoA
lauroyl-CoA
propanoyl-CoA
(Z)-15-tetracosenoyl-CoA
phytenoyl-CoA
(S)-methylmalonyl-CoA
trans-dienelactone
cis-dienelactone
glutathione
3-sulfopyruvate
L-cysteate
2-(2-carboxy-4-methylthiazol-5-yl)ethyl phosphate
2-[(2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-ylidene]ethyl phosphate
4-methyl-5-(2-phosphooxyethyl)thiazole
methanethiol
2-aminoprop-2-enoate
2-iminopropanoate
(2Z)-2-aminobut-2-enoate
sn-glycero-3-phosphoethanolamine
hydrogencarbonate
selenite
sulfite
selenate
hydrogensulfite
sulfate
chloride
phosphonate
phosphate
triphosphate
diphosphate
Zn2+
Fe2+
Mo2+
Mg2+
H+
ammonium
2-chloroacetate
preQ0
(R)-4-hydroxymandelate
(S)-4-hydroxymandelate
(R)-citramalate
(2R)-2,3-dihydroxy-3-methylbutanoate
ω-saturated C55 dolichol phosphate
3-phospho-D-glyceroyl-phosphate
2-phospho-D-glycerate
3-phospho-D-glycerate
β-D-mannosyl-(C55 ω-saturated dolichyl phosphate)
hydrogen sulfide
oxygen
protoporphyrinogen IX
uroporphyrinogen-III
Mg-protoporphyrin
protoporphyrin IX
coproporphyrinogen I
uroporphyrinogen-I
siroheme
protoheme
adenosylcobalamin 5'-phosphate
adenosylcobinamide-GDP
adenosyl-cobinamide phosphate
adenosylcobinamide
ethylphosphate
DNA with lesion
sn-glycerol 3-phosphate
sn-glycerol 1-phosphate
2-iminosuccinate
2-iminobutanoate