variableMetadata	msiLevel	hmdb	chemicalClass
X.2.methoxyethoxy.propanoic.acid.isomer	2		Organi
X.gamma.Glu.Leu.Ile	2		AA-pep
X1.Methyluric.acid	1	HMDB03099	AroHeP:Xenobi
X1.Methylxanthine	1	HMDB10738	AroHeP
X1.3.Dimethyluric.acid	1	HMDB01857	AroHeP
X1.7.Dimethyluric.acid	1	HMDB11103	AroHeP
X2.acetamido.4.methylphenyl.acetate	2		AroHoM
X2.Aminoadipic.acid	1	HMDB00510	AA-pep
X2.Hydroxybenzyl.alcohol	1	HMDB59709	AroHoM
X2.Isopropylmalic.acid	1	HMDB00402	Organi
X2.Methylhippuric.acid	1	HMDB11723	AA-pep:AcyGly
X2.2.Dimethylglutaric.acid	1		Lipids
X3.Hydroxybenzyl.alcohol	1	HMDB59712	AroHoM
X3.Hydroxyphenylacetic.acid	1	HMDB00440	AroHoM
X3.Indole.carboxylic.acid.glucuronide	2	HMDB13189	Carboh
X3.Methyl.2.oxovaleric.acid	1	HMDB00491	Lipids
X3.Methylcrotonylglycine	1	HMDB00459	AA-pep:AcyGly
X3.3.Dimethylglutaric.acid	1	HMDB02441	Lipids
X3.4.Dihydroxybenzeneacetic.acid	1	HMDB01336	AroHoM
X3.5.dihydroxybenzoic.acid.3.4.dihydroxybenzoic.acid	2		AroHoM
X3.7.Dimethyluric.acid	1	HMDB01982	AroHeP
X4.Acetamidobutanoic.acid.isomer.2	2		Lipids
X4.Acetamidobutanoic.acid.isomer.3	2		Lipids
X4.Hydroxybenzoic.acid	1	HMDB00500	AroHoM
X4.Methylhippuric.acid.3.Methylhippuric.acid	1		AA-pep:AcyGly
X5.Hydroxyindoleacetic.acid	1	HMDB00763	AroHeP
X5.Sulfosalicylic.acid	1	HMDB11725	AroHoM
X6..2.hydroxyethoxy..6.oxohexanoic.acid	2		Organi
X6..carboxymethoxy..hexanoic.acid	2		Organi
X9.Methylxanthine	2	HMDB59716	AroHeP
Acetaminophen.glucuronide	1	HMDB10316	Carboh
Acetylphenylalanine	1	HMDB00512	AA-pep
alpha.N.Phenylacetyl.glutamine	1	HMDB06344	AA-pep
Aminosalicyluric.acid	2		AA-pep:AcyGly
Asp.Leu.Ile.isomer.1	2		AA-pep
Asp.Leu.Ile.isomer.2	2		AA-pep
Aspartic.acid	1	HMDB00191	AA-pep
Azelaic.acid	1	HMDB00784	Organi
Benzoic.acid.isomer	2		AroHoM
Chenodeoxycholic.acid.isomer	2		Lipids:Steroi
Cinnamoylglycine	1	HMDB11621	AA-pep:AcyGly
Citric.acid	1	HMDB00094	Organi
Dehydroepiandrosterone.3.glucuronide	1	HMDB10348	Lipids:Steroi
Dehydroepiandrosterone.sulfate	1	HMDB01032	Lipids:Steroi
Deoxyhexose	1	HMDB00849	Carboh
Dimethylguanosine	2	HMDB04824	Nucleo
FMNH2	2	HMDB01142	AroHeP
Fumaric.acid	1	HMDB00134	Lipids
Gentisic.acid	1	HMDB00152	AroHoM
Glu.Val	2	HMDB59717	AA-pep
Gluconic.acid.and.or.isomers	2		Carboh
Glucuronic.acid.and.or.isomers	2		Carboh
Glyceric.acid	1	HMDB00139	Carboh
Glycocholic.acid.isomer.2	2		Lipids:Steroi
Glycocholic.acid.isomer.3	2		Lipids:Steroi
Heptylmalonic.acid	2	HMDB59719	Lipids
Hexanoylglycine	1	HMDB00701	AA-pep:AcyGly
Hippuric.acid	1	HMDB00714	AA-pep:AcyGly
Hydroxybenzyl.alcohol.isomer	2		AroHeM
Hydroxyphenyllactic.acid	1	HMDB00755	AroHoM
Hydroxysuberic.acid.isomer.1	2		Organi
Hydroxysuberic.acid.isomer.2	2		Organi
Isovalerylalanine.isomer	2		AA-pep
Ketoleucine	1	HMDB00695	Lipids
Kynurenic.acid	1	HMDB00715	AA-pep
Malic.acid	1	HMDB00156	Organi
Methoxysalicylic.acid.isomer	2		AroHoM
Methyl..hydroxymethyl.pyrrolidine.carboxylate.Methyl..hydroxy.piperidine.carboxylate	2		AA-pep
Methylinosine	2		Nucleo
Mevalonic.acid.isomer.1	2		Organi
Monoethyl.phthalate	2	HMDB02120	AroHoM:Xenobi
N.Acetyl.aspartic.acid	1	HMDB00812	AA-pep
N.Acetylisoleucine	1		AA-pep
N.Acetylleucine	1	HMDB11756	AA-pep
N.Acetyltryptophan	1	HMDB13713	AA-pep
N.Acetyltryptophan.isomer.3	2		AA-pep
N2.Acetylaminoadipic.acid	2		AA-pep
N4.Acetylcytidine	1	HMDB05923	Nucleo
Nicotinuric.acid.isomer	2		AA-pep
Ortho.Hydroxyphenylacetic.acid	1	HMDB00669	AroHoM
Oxoglutaric.acid	2	HMDB00208	Organi
p.Anisic.acid	1	HMDB01101	AroHoM
p.Hydroxyhippuric.acid	2	HMDB13678	AA-pep:AcyGly
p.Hydroxymandelic.acid	1	HMDB00822	AroHoM
p.Hydroxyphenylacetic.acid	1	HMDB00020	AroHoM
Pantothenic.acid	1	HMDB00210	AliAcy
Pentose	2		Carboh
Phe.Tyr.Asp..and.isomers.	2		AA-pep
Porphobilinogen	1	HMDB00245	Organi
Pyridoxic.acid.isomer.1	2		AroHeM
Pyridylacetylglycine	2	HMDB59723	AA-pep:AcyGly:Xenobi
Pyrocatechol.sulfate	2	HMDB59724	AroHoM
Pyroglutamic.acid	1	HMDB00267	AliHeM
Pyrroledicarboxylic.acid	2		AroHeM
Pyruvic.acid	1	HMDB00243	Organi
Quinic.acid	1	HMDB03072	AliHoM
Salicylic.acid	1	HMDB01895	AroHoM:Xenobi
Sebacic.acid	1	HMDB00792	Organi
Suberic.acid	1	HMDB00893	Organi
Sulfosalicylic.acid.isomer	2		AroHoM
Taurine	1	HMDB00251	Organi
Testosterone.glucuronide	2	HMDB03193	Lipids:Steroi
Tetrahydrohippuric.acid	2		AA-pep:AcyGly
Threo.3.Phenylserine	1	HMDB02184	AA-pep
Threonic.acid.Erythronic.acid	2		Carboh
Tryptophan	1	HMDB00929	AA-pep
Valerylglycine.isomer.1	2		AA-pep:AcyGly
Valerylglycine.isomer.2	2		AA-pep:AcyGly
Xanthosine	1	HMDB00299	Nucleo
