| Metabolite class: |
| Metabolite Class | Studies |
|---|---|
| Fatty acids | 1408 |
| Amino acids and peptides | 1384 |
| TCA acids | 1155 |
| Monosaccharides | 1142 |
| Purines | 1141 |
| Short-chain acids | 1074 |
| Pyrimidines | 980 |
| Fatty esters | 936 |
| Nicotinic acid alkaloids | 896 |
| Organic phosphoric acids | 819 |
| Sulfonic acids | 788 |
| Phenolic acids | 759 |
| Tryptophan alkaloids | 744 |
| Azoles | 688 |
| Cholines | 681 |
| Carnitines | 678 |
| Alcohols and polyols | 657 |
| Glycerophosphocholines | 655 |
| Phenylpropanoids | 634 |
| Ornithine alkaloids | 621 |
| Disaccharides | 604 |
| Glycerophosphoethanolamines | 598 |
| Benzenes | 581 |
| Sterols | 563 |
| Organic carbonic acids | 552 |
| Phosphate esters | 551 |
| Amines | 531 |
| Hydroxy acids | 525 |
| Bile acids | 519 |
| Phosphosphingolipids | 518 |
| Histidine alkaloids | 513 |
| Carboxylic acids | 507 |
| Keto acids | 492 |
| Tyrosine alkaloids | 476 |
| Isoprenoids | 470 |
| Sphingoid bases | 470 |
| Fatty amines | 468 |
| Monoradylglycerols | 461 |
| Anthranilic acid alkaloids | 453 |
| Ureas | 439 |
| Fatty amides | 438 |
| Ceramides | 437 |
| Unclassified | 435 |
| Lactones | 433 |
| Phenols | 414 |
| Diradylglycerols | 379 |
| Glycerophosphoinositols | 370 |
| Glycerophosphoserines | 350 |
| Quinones and hydroquinones | 346 |
| Pterins | 344 |
| Steroids | 343 |
| Oligosaccharides | 340 |
| Alloxazines and isoalloxazines | 330 |
| Glycerophosphoglycerols | 317 |
| Triradylglycerols | 317 |
| Sulfinic acids | 315 |
| Eicosanoids | 313 |
| Octadecanoids | 307 |
| Carbonyl compounds | 293 |
| Flavins | 293 |
| Nicotinamides | 285 |
| Glycosphingolipids | 260 |
| Flavonoids | 259 |
| Organooxygen compounds | 251 |
| Organonitrogen compounds | 247 |
| Sterol esters | 243 |
| Bilirubins | 242 |
| Amine oxides | 236 |
| Glycerophosphates | 235 |
| Heterocyclic compounds | 217 |
| Fatty alcohols | 202 |
| Imidazoles | 194 |
| Glycosyl compounds | 187 |
| Pyrrolidones | 173 |
| Guanidines | 172 |
| Naphthalenes | 153 |
| Lysine alkaloids | 147 |
| Cyclohexylamines | 140 |
| Oxepanes | 140 |
| Piperidinones | 140 |
| Hydrocarbons | 132 |
| Organosulfur compounds | 131 |
| Organosulfonic acids | 129 |
| Alkaloids | 128 |
| Arylsulfates | 127 |
| Pyrrolines | 121 |
| Delta valerolactones | 114 |
| Cardiolipins | 111 |
| Benzamides | 110 |
| Aromatic polyketides | 104 |
| Imidazolidines | 103 |
| Quinolones | 99 |
| Secosterols | 99 |
| Acetophenones | 97 |
| Pyrazines | 95 |
| Fatty aldehydes | 93 |
| Organic phosphonic acids | 88 |
| Benzenediols | 87 |
| Benzimidazoles | 85 |
| Furoic acids | 85 |
| Beta lactams | 83 |
| Docosanoids | 79 |
| Primary alcohols | 79 |
| Benzopyrans | 77 |
| Aminotriazines | 72 |
| Beta-keto acids | 71 |
| Organic sulfuric acids | 71 |
| Pyrrole carboxylic acids | 68 |
| Porphyrins | 67 |
| Glycinamide ribonucleotides | 64 |
| Anilines | 61 |
| Benzothiazoles | 59 |
| Pteridines | 57 |
| Caprolactams | 55 |
| Tetrapyrroles | 55 |
| Phenylacetic acids | 54 |
| Dialkyl ethers | 52 |
| Indolizidines | 50 |
| Macrolides | 50 |
| Phenylpropylamines | 50 |
| Bisphenyls | 48 |
| Halobenzenes | 47 |
| Benzofuranones | 44 |
| Hydropyridines | 43 |
| Diarylethers | 39 |
| Triazines | 39 |
| Fatty acyl glycosides | 38 |
| Glycosyldiradylglycerols | 36 |
| Piperazines | 35 |
| Alkyl fluorides | 33 |
| Sulfuric acid esters | 32 |
| Azolidines | 30 |
| Benzodioxoles | 30 |
| Ethers | 29 |
| Hydroxyquinolines | 28 |
| Pyrrolizines | 28 |
| Tetracyclines | 27 |
| Anilides | 26 |
| Substituted pyrroles | 26 |
| Thiolanes | 26 |
| Carboximidic acids | 25 |
| Morpholines | 25 |
| Phenylpiperidines | 25 |
| Dialkylthioethers | 24 |
| Dibenzazepines | 24 |
| Dihydrofurans | 24 |
| Pyranones | 24 |
| Benzodiazines | 22 |
| Epoxides | 22 |
| Fluorenes | 22 |
| N-nitroso compounds | 22 |
| Thiadiazines | 22 |
| Tannins | 21 |
| Benzocycloheptapyridines | 20 |
| Benzofurans | 20 |
| Benzoxazines | 20 |
| Butyrophenones | 20 |
| Heteroaromatic compounds | 20 |
| Isobenzofuranones | 20 |
| Benzoxazoles | 18 |
| Dinucleotides | 18 |
| Phenothiazines | 18 |
| Benzothiazines | 17 |
| Isoindolines | 17 |
| Polyprenols | 17 |
| Dibenzothiazepines | 16 |
| Dibenzylbutanediol lignans | 15 |
| Dibenzylbutane lignans | 15 |
| Indolyl carboxylic acids | 15 |
| Resorcinols | 15 |
| Aminoquinolines | 14 |
| Benzothiazepines | 14 |
| Dioxolopyrans | 14 |
| Organic acids | 14 |
| Pyrazoles | 14 |
| Tetrahydrofuran lignans | 14 |
| Unassigned | 14 |
| Aryltetralin lignans | 13 |
| Benzaldehydes | 13 |
| Furanoid lignans | 13 |
| Glycosylmonoradylglycerols | 12 |
| Metallotetrapyrroles | 12 |
| Linear diarylheptanoids | 11 |
| Phenoxyacetic acids | 11 |
| Phenylpyrrolidines | 11 |
| Pyrrolopyrimidines | 11 |
| Quinuclidines | 11 |
| Benzazepines | 10 |
| Dibenzocycloheptenes | 10 |
| Furans | 10 |
| Ketene acetals | 10 |
| Organic thiophosphoric acids | 10 |
| Pyrrolidines | 10 |
| Benzoic acids and derivatives | 9 |
| Indanes | 9 |
| Organochlorides | 9 |
| Aminoxides | 8 |
| Cyanides | 8 |
| Naphthopyrans | 8 |
| Organic thiocarbonic acid derivatives | 8 |
| Other nucleic acids | 8 |
| Oxanes | 8 |
| Thiophosphoric acid esters | 8 |
| 1-benzothiophenes | 7 |
| 2-Benzimidazolylcarbamic acid esters | 7 |
| Benzoquinolines | 7 |
| Chlorins | 7 |
| Cycloheptapyrans | 7 |
| Cyclopyrrolones | 7 |
| Furanoquinolines | 7 |
| Furopyrans | 7 |
| Glycerophosphoglycerophosphoglycerols | 7 |
| Oxazolidines | 7 |
| Alkanesulfonic acids | 6 |
| Azaspirodecanes | 6 |
| Dibenzoxepines | 6 |
| Glycerophosphoinositol bisphosphates | 6 |
| Halohydrins | 6 |
| Naphthofurans | 6 |
| Naphthopyranones | 6 |
| Phenylpropenes | 6 |
| Piperidines | 6 |
| Thiosulfinic acid esters | 6 |
| 1,4-dioxanes | 5 |
| Aflatoxins | 5 |
| Arylnaphthalene lignans | 5 |
| Imidazolines | 5 |
| Naphthacenes | 5 |
| Oxathianes | 5 |
| Oxazoles | 5 |
| Vinyl halides | 5 |
| Vinylogous acids | 5 |
| Allyl-type 1,3-dipolar organic compounds | 4 |
| Angucyclines | 4 |
| Carbothioic S-acids | 4 |
| Dihydrofuranoquinolines | 4 |
| Isoquinolones | 4 |
| Lignan glycosides | 4 |
| Lignan lactones | 4 |
| Nitro compounds | 4 |
| Nitroquinolines | 4 |
| Other Glycerolipids | 4 |
| Piperazinoazepines | 4 |
| Quinoline carboxylic acids | 4 |
| Sterol/Bile acid conjugates(In-silico) | 4 |
| Thiophenes | 4 |
| Vinylogous amides | 4 |
| Benzothiophenes | 3 |
| Benzotriazoles | 3 |
| Benzylpiperidines | 3 |
| Cytochalasins | 3 |
| Dibenzodiazepines | 3 |
| Dibenzothiepins | 3 |
| Glycerophosphoinositol trisphosphates | 3 |
| Indanones | 3 |
| Indoloquinolines | 3 |
| Isofamides | 3 |
| Organic dithiophosphoric acids | 3 |
| Organohalogen compounds | 3 |
| Organoheterocyclic compounds | 3 |
| Other Glycerophospholipids | 3 |
| Phenanthrolines | 3 |
| Primary amines | 3 |
| Sterols/Bile acids(In-silico) | 3 |
| Sterols(In silico) | 3 |
| Azepines | 2 |
| Azobenzenes | 2 |
| CDP-Glycerols | 2 |
| Dialkyldisulfides | 2 |
| Diarylheptanoids | 2 |
| Dihydrothiophenes | 2 |
| Fatty ethers | 2 |
| Flavonolignans | 2 |
| Glycinamidine ribonucleotides | 2 |
| Halomethanes | 2 |
| Halopyridines | 2 |
| Haloquinolines | 2 |
| Hopanoids | 2 |
| Naphthyridines | 2 |
| Organometallic compounds | 2 |
| Other Fatty Acyls | 2 |
| Oxolanes | 2 |
| Piperidinecarboxylic acids | 2 |
| Pyran carboxylic acids | 2 |
| Pyrrolizidinones | 2 |
| Thienopyridines | 2 |
| Triazoles | 2 |
| 1,2-dithiolanes | 1 |
| 1,3,5-triazines | 1 |
| 1-phosphoribosyl-imidazoles | 1 |
| Alpha-acyloxy carbonyl compounds | 1 |
| Ansamycins | 1 |
| Benzoxepines | 1 |
| Chrysenes | 1 |
| Corrinoids | 1 |
| Dibenzoxazepines | 1 |
| Diphenylethers | 1 |
| Dithianes | 1 |
| Dithiolanecarboxylic acids | 1 |
| Epothilones | 1 |
| Fentanyls | 1 |
| Glycerophosphethanolamines | 1 |
| Glycerophosphoinositol monophosphates | 1 |
| Hydroquinolines | 1 |
| Lignans | 1 |
| Lipoic acids | 1 |
| Organic nitrates | 1 |
| Organic trisulfides | 1 |
| Oxazolopyridines | 1 |
| Oxocins | 1 |
| Phenylbenzimidazoles | 1 |
| Phthalazines | 1 |
| Polyenes | 1 |
| Quinolines | 1 |
| Quinolizidines | 1 |
| Tetrazines | 1 |
| Thiadiazoles | 1 |
| Thienothiazines | 1 |
| Trioxanes | 1 |
