| Caffeine | Organic compounds | Organoheterocyclic compounds | Imidazopyrimidines | Purines and purine derivatives | Details |
| L-Arabitol | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Details |
| Retinoic acid | Organic compounds | Lipids and lipid-like molecules | Prenol lipids | Retinoids | Details |
| Tellurium | Inorganic compounds | Homogeneous metal compounds | Homogeneous metalloid compounds | Not Available | Details |
| 5-Hydroxytryptophol | Organic compounds | Organoheterocyclic compounds | Indoles and derivatives | Hydroxyindoles | Details |
| 1,3-Dimethyluric acid | Organic compounds | Organoheterocyclic compounds | Imidazopyrimidines | Purines and purine derivatives | Details |
| p-Cresol | Organic compounds | Benzenoids | Phenols | Cresols | Details |
| Acetaminophen | Organic compounds | Benzenoids | Phenols | 1-hydroxy-2-unsubstituted benzenoids | Details |
| Paraxanthine | Organic compounds | Organoheterocyclic compounds | Imidazopyrimidines | Purines and purine derivatives | Details |
| 3-Methylhistamine | Organic compounds | Organic nitrogen compounds | Organonitrogen compounds | Amines | Details |
| 2-Ethylacrylic acid | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acids and conjugates | Details |
| 2-Hydroxyvaleric acid | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acids and conjugates | Details |
| 2-Ketohexanoic acid | Organic compounds | Organic acids and derivatives | Keto acids and derivatives | Medium-chain keto acids and derivatives | Details |
| 2-Oxovaleric acid | Organic compounds | Organic acids and derivatives | Keto acids and derivatives | Short-chain keto acids and derivatives | Details |
| 3,4-Dihydroxymandelic acid | Organic compounds | Benzenoids | Phenols | Benzenediols | Details |
| 4-Aminohippuric acid | Organic compounds | Benzenoids | Benzene and substituted derivatives | Benzoic acids and derivatives | Details |
| 5-Methoxysalicylic acid | Organic compounds | Benzenoids | Benzene and substituted derivatives | Benzoic acids and derivatives | Details |
| Isobutyric acid | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Carboxylic acids | Details |
| D-threo-Isocitric acid | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Tricarboxylic acids and derivatives | Details |
| Methanol | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Alcohols and polyols | Details |
| Epinephrine sulfate | Organic compounds | Organic acids and derivatives | Organic sulfuric acids and derivatives | Arylsulfates | Details |
| Valproic acid | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acids and conjugates | Details |
| Aspirin | Organic compounds | Benzenoids | Benzene and substituted derivatives | Benzoic acids and derivatives | Details |
| Propylene glycol | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Alcohols and polyols | Details |
| Dihydroxyacetone | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Details |
| 3-Chlorotyrosine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| 3-Methylxanthine | Organic compounds | Organoheterocyclic compounds | Imidazopyrimidines | Purines and purine derivatives | Details |
| N,N-Dimethylformamide | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Carboxylic acid derivatives | Details |
| Acetylcysteine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| m-Aminobenzoic acid | Organic compounds | Benzenoids | Benzene and substituted derivatives | Benzoic acids and derivatives | Details |