MetStat: Summary table of metabolites most frequently reported in NMDR studies
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| Refmet Name | Studies | Super Class | Main Class | Sub Class |
|---|---|---|---|---|
| Arecoline | 22 | Alkaloids | Alkaloids | Other alkaloids |
| Cinchonine | 2 | Alkaloids | Tryptophan alkaloids | Cinchona alkaloids |
| 7-Aminonitrazepam | 3 | Alkaloids | Anthranilic acid alkaloids | Benzodiazepine alkaloids |
| Arborinine | 3 | Alkaloids | Anthranilic acid alkaloids | Acridone alkaloids |
| Canthin-6-one | 2 | Alkaloids | Alkaloids | Other alkaloids |
| Cimetidine | 16 | Alkaloids | Histidine alkaloids | Imidazole alkaloids |
| 5-Hydroxyindoleacetaldehyde | 3 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| 7-Aminoclonazepam | 4 | Alkaloids | Anthranilic acid alkaloids | Benzodiazepine alkaloids |
| alpha-Narcotine | 1 | Alkaloids | Alkaloids | Other alkaloids |
| Apodine | 1 | Alkaloids | Tryptophan alkaloids | Aspidosperma type |
| Boschniakine | 3 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Camptothecin | 7 | Alkaloids | Tryptophan alkaloids | Pyrroloquinoline alkaloids |
| Carvedilol | 5 | Alkaloids | Tryptophan alkaloids | Carbazole alkaloids |
| Ciclopirox | 5 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 4-Oxo-4-(3-pyridyl)-butanamide | 2 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 5-Hydroxyindole | 11 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| 5-S-Cysteinyldopamine | 1 | Alkaloids | Tyrosine alkaloids | Phenylethylamines |
| 7-Acetamidonitrazepam | 1 | Alkaloids | Anthranilic acid alkaloids | Benzodiazepine alkaloids |
| Acutumidine | 3 | Alkaloids | Alkaloids | Other alkaloids |
| alpha-Hydroxytriazolam | 2 | Alkaloids | Anthranilic acid alkaloids | Benzodiazepine alkaloids |
| Anabasamine | 6 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Antirhine | 2 | Alkaloids | Tryptophan alkaloids | Carboline alkaloids |
| Berberastine | 4 | Alkaloids | Tyrosine alkaloids | Protoberberine alkaloids |
| Borreverine | 3 | Alkaloids | Tryptophan alkaloids | Pyrroloindoles |
| Bufotenin | 4 | Alkaloids | Alkaloids | Other alkaloids |
| Calystegine C1 | 1 | Alkaloids | Ornithine alkaloids | Tropane alkaloids |
| Cantleyine | 7 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Carnegine | 2 | Alkaloids | Tyrosine alkaloids | Isoquinoline alkaloids |
| Catharine | 1 | Alkaloids | Alkaloids | Other alkaloids |
| Chlorphenamine | 8 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 4-Imidazolone-5-propionic acid | 36 | Alkaloids | Histidine alkaloids | Imidazole alkaloids |
| 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol | 4 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 4-Quinolinecarboxylic acid | 47 | Alkaloids | Anthranilic acid alkaloids | Acridone alkaloids |
| 5-Hydroxydopamine | 2 | Alkaloids | Tyrosine alkaloids | Phenylethylamines |
| 5-Methoxyindoleacetic acid | 21 | Alkaloids | Tryptophan alkaloids | Indoleacetic acids |
| 5-Pyridoxolactone | 5 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 6-Hydroxynicotinic acid | 62 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 6-Methylquinoline | 11 | Alkaloids | Anthranilic acid alkaloids | Quinazoline alkaloids |
| Acetylagmatine | 9 | Alkaloids | Ornithine alkaloids | Polyamines |
| Actinidine | 3 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Agmatine | 110 | Alkaloids | Ornithine alkaloids | Polyamines |
| alpha-Erythroidine | 2 | Alkaloids | Alkaloids | Other alkaloids |
| Amalorin | 1 | Alkaloids | Alkaloids | Other alkaloids |
| Amurine | 2 | Alkaloids | Tyrosine alkaloids | Isoquinoline alkaloids |
| Androcymbine | 2 | Alkaloids | Alkaloids | Other alkaloids |
| Ankorine | 4 | Alkaloids | Tyrosine alkaloids | Isoquinoline alkaloids |
| Auriculine | 2 | Alkaloids | Ornithine alkaloids | Pyrrolizidine alkaloids |
| Benzyl nicotinate | 3 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Bisindolylmaleimide i | 3 | Alkaloids | Tryptophan alkaloids | N-alkylindoles |
| Borrecapine | 1 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| Bremazocine | 1 | Alkaloids | Alkaloids | Other alkaloids |
| Brugine | 4 | Alkaloids | Ornithine alkaloids | Tropane alkaloids |
| Buprenorphine | 9 | Alkaloids | Tyrosine alkaloids | Morphinan alkaloids |
| Calystegin B2 | 9 | Alkaloids | Lysine alkaloids | Piperidine alkaloids |
| 4-Hydroxyindole | 8 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| 3-Hydroxypyridine | 33 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 3-Indoleacetonitrile | 13 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| Caribine | 1 | Alkaloids | Tyrosine alkaloids | Amarylidaceae alkaloids |
| Cassine | 3 | Alkaloids | Alkaloids | Other alkaloids |
| 3-Methyloxindole | 29 | Alkaloids | Tryptophan alkaloids | Indolines |
| Chelirubine | 8 | Alkaloids | Tyrosine alkaloids | Benzophenanthridine alkaloids |
| Chlorhexidine | 5 | Alkaloids | Ornithine alkaloids | Polyamines |
| 2-Pyridyl hydroxymethane sulfonic acid | 3 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 1-Carboxymethylmetronidazole | 2 | Alkaloids | Histidine alkaloids | Imidazole alkaloids |
| 4-Methylburimamide | 1 | Alkaloids | Histidine alkaloids | Imidazole alkaloids |
| 4-Methylimidazole | 1 | Alkaloids | Histidine alkaloids | Imidazole alkaloids |
| 1-Methyl nicotinamide | 228 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 4-Pyridoxolactone | 13 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 5,6-Indolequinone-2-carboxylic acid | 2 | Alkaloids | Tryptophan alkaloids | Indolecarboxylic acids |
| 5-Hydroxy-DL-tryptophan | 6 | Alkaloids | Tryptophan alkaloids | Tryptamines |
| 5-Hydroxyindolepyruvate | 3 | Alkaloids | Tryptophan alkaloids | Indolecarboxylic acids |
| 5-Methoxyindoleacetaldehyde | 1 | Alkaloids | Tryptophan alkaloids | 3-Alkylindoles |
| 5-Methoxytryptamine | 57 | Alkaloids | Tryptophan alkaloids | Tryptamines |
| 5-O-(Indol-3-ylacetyl)-myo-inositol D-galactoside | 2 | Alkaloids | Tryptophan alkaloids | Indolecarboxylic acids |
| 6-Hydroxydopamine | 16 | Alkaloids | Tyrosine alkaloids | Phenylethylamines |
| 6-Hydroxymelatonin | 6 | Alkaloids | Tryptophan alkaloids | 3-Alkylindoles |
| 6-Hydroxypseudooxynicotine | 7 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 6-Methoxyquinoline | 10 | Alkaloids | Anthranilic acid alkaloids | Quinazoline alkaloids |
| 8-Hydroxycarvedilol | 1 | Alkaloids | Tryptophan alkaloids | Carbazole alkaloids |
| 8-Oxodeoxycoformycin | 7 | Alkaloids | Anthranilic acid alkaloids | Benzodiazepine alkaloids |
| Acetylisoniazid | 2 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Acronycine | 2 | Alkaloids | Anthranilic acid alkaloids | Acridone alkaloids |
| Adifoline | 1 | Alkaloids | Alkaloids | Other alkaloids |
| Affinine | 1 | Alkaloids | Alkaloids | Other alkaloids |
| Ajmaline | 5 | Alkaloids | Alkaloids | Other alkaloids |
| Alosetron | 1 | Alkaloids | Tryptophan alkaloids | N-alkylindoles |
| Alpinine | 3 | Alkaloids | Alkaloids | Other alkaloids |
| Amabiline | 2 | Alkaloids | Alkaloids | Other alkaloids |
| Aminoimidazolecarboxamide | 1 | Alkaloids | Histidine alkaloids | Imidazole alkaloids |
| Aminopyridine | 1 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Anapheline | 2 | Alkaloids | Lysine alkaloids | Piperidine alkaloids |
| Anatoxin A | 1 | Alkaloids | Alkaloids | Other alkaloids |
| Angustine | 3 | Alkaloids | Tryptophan alkaloids | Carboline alkaloids |
| Anisotropine methylbromide | 1 | Alkaloids | Ornithine alkaloids | Tropane alkaloids |
| Atalaphylline | 2 | Alkaloids | Anthranilic acid alkaloids | Acridone alkaloids |
| Auricularine | 5 | Alkaloids | Tryptophan alkaloids | Pyrroloindoles |
| Baptifoline | 2 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Benzoylagmatine | 1 | Alkaloids | Ornithine alkaloids | Polyamines |
| Berberine | 5 | Alkaloids | Tyrosine alkaloids | Protoberberine alkaloids |
| beta-Carboline | 21 | Alkaloids | Tryptophan alkaloids | Carboline alkaloids |
| 3-Amino-1-methyl-5H-pyrido[4,3-b]indole | 1 | Alkaloids | Tryptophan alkaloids | Carboline alkaloids |
| 3-Acetylnerbowdine | 1 | Alkaloids | Tyrosine alkaloids | Amarylidaceae alkaloids |
| 10-Hydroxydihydrosanguinarine | 1 | Alkaloids | Tyrosine alkaloids | Benzophenanthridine alkaloids |
| Brassicanal A | 6 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| Brompheniramine | 3 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Brucine | 3 | Alkaloids | Tryptophan alkaloids | Strychnos alkaloids |
| 4-(Hydroxyamino)quinoline N-oxide | 2 | Alkaloids | Anthranilic acid alkaloids | Quinazoline alkaloids |
| Buntanine | 1 | Alkaloids | Anthranilic acid alkaloids | Acridone alkaloids |
| Cabergoline | 3 | Alkaloids | Tryptophan alkaloids | Ergot alkaloids |
| Cadiamine | 1 | Alkaloids | Alkaloids | Other alkaloids |
| 3-Hydroxy-2-methylpyridine-4,5-dicarboxylate | 7 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 3-Hydroxypyridine sulfate | 34 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 3-Hydroxyindolin-2-one | 3 | Alkaloids | Tryptophan alkaloids | Indolines |
| 3-Hydroxykynurenic acid | 3 | Alkaloids | Anthranilic acid alkaloids | Acridone alkaloids |
| 3-Hydroxyquinine | 4 | Alkaloids | Tryptophan alkaloids | Cinchona alkaloids |
| 3-Imidazol-1-yl-2-oxopropanoic acid | 1 | Alkaloids | Histidine alkaloids | Imidazole alkaloids |
| 3-Indolebutyric acid | 12 | Alkaloids | Tryptophan alkaloids | 3-Alkylindoles |
| 3-Indolepropionic acid | 148 | Alkaloids | Tryptophan alkaloids | Indolecarboxylic acids |
| 3-Methyldioxyindole | 24 | Alkaloids | Tryptophan alkaloids | Indolines |
| 3-Methoxytyramine | 68 | Alkaloids | Tyrosine alkaloids | Phenylethylamines |
| 3-Methyleneoxindole | 34 | Alkaloids | Tryptophan alkaloids | Indolines |
| 3-Methylindole | 35 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| 3-Pyridinecarboxaldehyde | 3 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Chelilutine | 8 | Alkaloids | Tyrosine alkaloids | Benzophenanthridine alkaloids |
| 3-Pyridylacetic acid | 15 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 3-Succinoylpyridine | 8 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 10,11-Dimethoxytubulosan | 1 | Alkaloids | Tryptophan alkaloids | Carboline alkaloids |
| 1-Benzyl-1,2,3,4-tetrahydroisoquinoline | 1 | Alkaloids | Tyrosine alkaloids | Isoquinoline alkaloids |
| 1-(beta-D-Ribofuranosyl)-1,4-dihydronicotinamide | 9 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 1-Carbazol-9-yl-3-(3,5-dimethyl-pyrazol-1-yl)-propan-2-ol | 1 | Alkaloids | Tryptophan alkaloids | Carbazole alkaloids |
| 1H-Indole-3-acetamide | 54 | Alkaloids | Tryptophan alkaloids | Tryptamines |
| 4-Methoxytyramine | 1 | Alkaloids | Tyrosine alkaloids | Phenylethylamines |
| 1H-Indole-3-carboxaldehyde | 68 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| 1H-Indole-7-acetic acid | 1 | Alkaloids | Tryptophan alkaloids | Indoleacetic acids |
| 1-Methyl-5-imidazoleacetic acid | 29 | Alkaloids | Histidine alkaloids | Imidazole alkaloids |
| 1-Methylhistamine | 110 | Alkaloids | Histidine alkaloids | Imidazole alkaloids |
| 4-Pyridone | 19 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 4-Pyridoxic acid | 320 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 5-(3',4'-Dihydroxyphenyl)-gamma-valerolactone | 1 | Alkaloids | Tyrosine alkaloids | Phenylethylamines |
| 5,6-Dihydroxyindole-2-carboxylic acid | 5 | Alkaloids | Tryptophan alkaloids | Indolecarboxylic acids |
| 5-Aminoimidazole | 3 | Alkaloids | Histidine alkaloids | Imidazole alkaloids |
| 5-Aminoimidazole-4-carboxamide | 12 | Alkaloids | Histidine alkaloids | Imidazole alkaloids |
| 4,6-Dihydroxyquinoline | 4 | Alkaloids | Anthranilic acid alkaloids | Quinazoline alkaloids |
| 5-Hydroxyindoleacetic acid | 236 | Alkaloids | Tryptophan alkaloids | Indoleacetic acids |
| 2,3-Dihydroxyindole | 2 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| 5-Hydroxytryptophol | 34 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| 2,3-Dihydroxypyridine | 19 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 2,4,6-Trimethylpyridine | 3 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 5-Methoxytryptophan | 15 | Alkaloids | Tryptophan alkaloids | Tryptamines |
| 5-Methoxytryptophol | 27 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| 2,6-Dimethylpyridine | 1 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 6-Formylindolo[3,2-B]carbazole | 4 | Alkaloids | Tryptophan alkaloids | Indolocarbazoles |
| 6-Hydroxyindole sulfate | 28 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| 6-Hydroxykynurenic acid | 16 | Alkaloids | Anthranilic acid alkaloids | Acridone alkaloids |
| 2,6-Dihydroxypseudooxynicotine | 3 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 2,4-Dodecadienoic acid pyrrolidide | 2 | Alkaloids | Ornithine alkaloids | Pyrrolidine alkaloids |
| 1,2,3,4-Tetrahydro-beta-carboline-1,3-dicarboxylic acid | 2 | Alkaloids | Tryptophan alkaloids | Carboline alkaloids |
| 2,6-Dihydroxypyridine | 13 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 2,6-Pyridinedicarboxylic acid | 12 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 7-Hydroxymitragynine | 2 | Alkaloids | Tryptophan alkaloids | Tryptamines |
| 2-Acetylpyrrolidine | 9 | Alkaloids | Ornithine alkaloids | Pyrrolidine alkaloids |
| 2-Aminonicotinic acid | 7 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Acetylcaranine | 1 | Alkaloids | Tyrosine alkaloids | Amarylidaceae alkaloids |
| 2-Aminoacridone | 4 | Alkaloids | Anthranilic acid alkaloids | Acridone alkaloids |
| Acisoga | 58 | Alkaloids | Ornithine alkaloids | Pyrrolidine alkaloids |
| Acremoauxin A | 2 | Alkaloids | Tryptophan alkaloids | Indoleacetic acid alkaloids |
| 4-Aminopyridine | 12 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Adiantifoline | 1 | Alkaloids | Tyrosine alkaloids | Aporphine alkaloids |
| Adlumine | 3 | Alkaloids | Alkaloids | Other alkaloids |
| Adrenochrome | 10 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| Agroclavine | 1 | Alkaloids | Alkaloids | Other alkaloids |
| 2-Cyanopyridine | 1 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Aknadicine | 2 | Alkaloids | Tyrosine alkaloids | Isoquinoline alkaloids |
| Allocryptopine | 2 | Alkaloids | Alkaloids | Other alkaloids |
| 2-Ethylisonicotinicacid | 2 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 4-Deoxypyridoxine 5'-phosphate | 1 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Alprazolam | 3 | Alkaloids | Anthranilic acid alkaloids | Benzodiazepine alkaloids |
| Altanserin | 2 | Alkaloids | Anthranilic acid alkaloids | Quinazoline alkaloids |
| 2-Hydroxynicotinic acid | 1 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| Ambelline | 1 | Alkaloids | Tyrosine alkaloids | Amarylidaceae alkaloids |
| 2-Hydroxyphenethylamine | 45 | Alkaloids | Tyrosine alkaloids | Phenylethylamines |
| 2-Hydroxypyridine | 71 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 2-Oxindole-3-acetate | 35 | Alkaloids | Tryptophan alkaloids | Indolecarboxylic acids |
| Anabasine | 3 | Alkaloids | Alkaloids | Other alkaloids |
| 2-Methyl-3-hydroxy-5-formylpyridine-4-carboxylate | 4 | Alkaloids | Nicotinic acid alkaloids | Pyridine alkaloids |
| 2-Methylindole | 3 | Alkaloids | Tryptophan alkaloids | Simple indole alkaloids |
| 2-Methylindoline | 2 | Alkaloids | Tryptophan alkaloids | Indolines |
| 2(N)-Methyl-norsalsolinol | 1 | Alkaloids | Tyrosine alkaloids | Isoquinoline alkaloids |
| Anhalamine | 2 | Alkaloids | Tyrosine alkaloids | Isoquinoline alkaloids |
| Aniflorine | 2 | Alkaloids | Anthranilic acid alkaloids | Quinazoline alkaloids |
| Argyrolobine | 1 | Alkaloids | Alkaloids | Other alkaloids |
| Atalanine | 1 | Alkaloids | Anthranilic acid alkaloids | Acridone alkaloids |
| Atheriline | 3 | Alkaloids | Tyrosine alkaloids | Aporphine alkaloids |
| Atherospermidine | 3 | Alkaloids | Tyrosine alkaloids | Aporphine alkaloids |
| 3,4-Dihydroxyphenylglycol | 41 | Alkaloids | Tyrosine alkaloids | Phenylethylamines |
| 3,4-Dihydroxybenzylamine | 5 | Alkaloids | Tyrosine alkaloids | Phenylethylamines |
| Belladine | 1 | Alkaloids | Tyrosine alkaloids | Amarylidaceae alkaloids |
| 3,4-Dimethoxyphenylethylamine | 2 | Alkaloids | Tyrosine alkaloids | Phenylethylamines |
| Clofazimine | 2 | Alkaloids | Anthranilic acid alkaloids | Phenazine alkaloids |
| Ciprofloxacin | 9 | Alkaloids | Anthranilic acid alkaloids | Acridone alkaloids |
