| L-2-Hydroxyglutaric acid | Organic compounds | Organic acids and derivatives | Hydroxy acids and derivatives | Short-chain hydroxy acids and derivatives | Details |
| Ketoleucine | Organic compounds | Organic acids and derivatives | Keto acids and derivatives | Short-chain keto acids and derivatives | Details |
| L-Methionine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Isocoproporphyrin | Organic compounds | Organoheterocyclic compounds | Tetrapyrroles and derivatives | Porphyrins | Details |
| Lithocholic acid glycine conjugate | Organic compounds | Lipids and lipid-like molecules | Steroids and steroid derivatives | Bile acids, alcohols and derivatives | Details |
| 1-Methylnicotinamide | Organic compounds | Organoheterocyclic compounds | Pyridines and derivatives | Pyridinecarboxylic acids and derivatives | Details |
| Hydroxypropionic acid | Organic compounds | Organic acids and derivatives | Hydroxy acids and derivatives | Beta hydroxy acids and derivatives | Details |
| Hexanoylglycine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Mandelic acid | Organic compounds | Benzenoids | Benzene and substituted derivatives | Not Available | Details |
| Isoxanthopterin | Organic compounds | Organoheterocyclic compounds | Pteridines and derivatives | Pterins and derivatives | Details |
| Hexanoylcarnitine | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acid esters | Details |
| 4-Hydroxyphenylpyruvic acid | Organic compounds | Benzenoids | Benzene and substituted derivatives | Phenylpyruvic acid derivatives | Details |
| Glycoursodeoxycholic acid | Organic compounds | Lipids and lipid-like molecules | Steroids and steroid derivatives | Bile acids, alcohols and derivatives | Details |
| L-Cysteinylglycine disulfide | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| 4-Hydroxybutyric acid | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acids and conjugates | Details |
| Hydroxyoctanoic acid | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acids and conjugates | Details |
| Hexadecanedioic acid mono-L-carnitine ester | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acid esters | Details |
| Isoallolithocholic acid | Organic compounds | Lipids and lipid-like molecules | Steroids and steroid derivatives | Bile acids, alcohols and derivatives | Details |
| Hippuric acid | Organic compounds | Benzenoids | Benzene and substituted derivatives | Benzoic acids and derivatives | Details |
| Kynurenic acid | Organic compounds | Organoheterocyclic compounds | Quinolines and derivatives | Quinoline carboxylic acids | Details |
| L-Pipecolic acid | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Isolithocholic acid | Organic compounds | Lipids and lipid-like molecules | Steroids and steroid derivatives | Bile acids, alcohols and derivatives | Details |
| Isovaleric acid | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acids and conjugates | Details |
| L-Homoserine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Levulinic acid | Organic compounds | Organic acids and derivatives | Keto acids and derivatives | Gamma-keto acids and derivatives | Details |
| Glycylproline | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Lithocholyltaurine | Organic compounds | Lipids and lipid-like molecules | Steroids and steroid derivatives | Bile acids, alcohols and derivatives | Details |
| Hydroxyproline | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Isovalerylglutamic acid | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| L-Threoneopterin | Organic compounds | Organoheterocyclic compounds | Pteridines and derivatives | Pterins and derivatives | Details |