| 1-Methylhistidine | Chemical entities | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Details |
| 2-Ketobutyric acid | Organic compounds | Organic acids and derivatives | Keto acids and derivatives | Short-chain keto acids and derivatives | Details |
| 2-Methoxyestrone | Chemical entities | Organic compounds | Lipids and lipid-like molecules | Steroids and steroid derivatives | Details |
| (R)-3-Hydroxybutyric acid | Chemical entities | Organic compounds | Organic acids and derivatives | Hydroxy acids and derivatives | Details |
| Deoxyuridine | Chemical entities | Organic compounds | Nucleosides, nucleotides, and analogues | Pyrimidine nucleosides | Details |
| Deoxycytidine | Chemical entities | Organic compounds | Nucleosides, nucleotides, and analogues | Pyrimidine nucleosides | Details |
| Deoxycorticosterone | Chemical entities | Organic compounds | Lipids and lipid-like molecules | Steroids and steroid derivatives | Details |
| 4-Pyridoxic acid | Chemical entities | Organic compounds | Organoheterocyclic compounds | Pyridines and derivatives | Details |
| Alpha-ketoisovaleric acid | Chemical entities | Organic compounds | Organic acids and derivatives | Keto acids and derivatives | Details |
| p-Hydroxyphenylacetic acid | Chemical entities | Organic compounds | Benzenoids | Phenols | Details |
| Iodotyrosine | Chemical entities | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Details |
| 3-Methoxytyramine | Chemical entities | Organic compounds | Benzenoids | Phenols | Details |
| (S)-3-Hydroxyisobutyric acid | Chemical entities | Organic compounds | Organic acids and derivatives | Hydroxy acids and derivatives | Details |
| 3-O-Sulfogalactosylceramide (d18:1/24:0) | Chemical entities | Organic compounds | Lipids and lipid-like molecules | Sphingolipids | Details |
| Ureidopropionic acid | Chemical entities | Organic compounds | Organic acids and derivatives | Organic carbonic acids and derivatives | Details |
| Tetrahydrobiopterin | Chemical entities | Organic compounds | Organoheterocyclic compounds | Pteridines and derivatives | Details |
| Biotin | Organic compounds | Organoheterocyclic compounds | Biotin and derivatives | Not Available | Details |
| Carnosine | Chemical entities | Organic compounds | Organic acids and derivatives | Peptidomimetics | Details |
| Adenine | Organic compounds | Organoheterocyclic compounds | Imidazopyrimidines | Purines and purine derivatives | Details |
| Dihydrobiopterin | Chemical entities | Organic compounds | Organoheterocyclic compounds | Pteridines and derivatives | Details |
| Butyric acid | Chemical entities | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Details |
| Acetic acid | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Carboxylic acids | Details |
| Betaine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Ascorbic acid | Organic compounds | Organoheterocyclic compounds | Dihydrofurans | Furanones | Details |
| Adenosine monophosphate | Chemical entities | Organic compounds | Nucleosides, nucleotides, and analogues | Purine nucleotides | Details |
| Melibiose | Chemical entities | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Details |
| Adenosine | Organic compounds | Nucleosides, nucleotides, and analogues | Purine nucleosides | Not Available | Details |
| Ammonia | Chemical entities | Inorganic compounds | Homogeneous non-metal compounds | Homogeneous other non-metal compounds | Details |
| Argininosuccinic acid | Chemical entities | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Details |
| Androstenedione | Chemical entities | Organic compounds | Lipids and lipid-like molecules | Steroids and steroid derivatives | Details |