| Thiomethylgalactoside | Organic compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Glycosyl compounds | Details |
| Ectoine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Inorganic phosphate | Inorganic compounds | Homogeneous non-metal compounds | Non-metal oxoanionic compounds | Non-metal phosphates | Details |
| Methyl-beta-D-galactoside | Organic compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Glycosyl compounds | Details |
| Stachydrine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Pipecolic acid | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Cyanocobalamin | Organic compounds | Organoheterocyclic compounds | Tetrapyrroles and derivatives | Corrinoids | Details |
| Deoxycholic acid | Organic compounds | Lipids and lipid-like molecules | Steroids and steroid derivatives | Bile acids, alcohols and derivatives | Details |
| Pseudouridine | Organic compounds | Nucleosides, nucleotides, and analogues | Nucleoside and nucleotide analogues | Not Available | Details |
| Ribothymidine | Organic compounds | Nucleosides, nucleotides, and analogues | Pyrimidine nucleosides | Not Available | Details |
| Molybdenum | Inorganic compounds | Homogeneous metal compounds | Homogeneous transition metal compounds | Not Available | Details |
| Nickel | Inorganic compounds | Homogeneous metal compounds | Homogeneous transition metal compounds | Not Available | Details |
| Pyrimidine | Organic compounds | Organoheterocyclic compounds | Diazines | Pyrimidines and pyrimidine derivatives | Details |
| Lithium | Inorganic compounds | Homogeneous metal compounds | Homogeneous alkali metal compounds | Not Available | Details |
| Arsenate | Inorganic compounds | Mixed metal/non-metal compounds | Miscellaneous mixed metal/non-metals | Miscellaneous metallic oxoanionic compounds | Details |
| Fe3+ | Inorganic compounds | Homogeneous metal compounds | Homogeneous transition metal compounds | Not Available | Details |
| Urocanic acid | Organic compounds | Organoheterocyclic compounds | Azoles | Imidazoles | Details |
| Citraconic acid | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acids and conjugates | Details |
| Levulinic acid | Organic compounds | Organic acids and derivatives | Keto acids and derivatives | Gamma-keto acids and derivatives | Details |
| Azelaic acid | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acids and conjugates | Details |
| Pterin | Organic compounds | Organoheterocyclic compounds | Pteridines and derivatives | Pterins and derivatives | Details |
| N-Acetyl-L-aspartic acid | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Isobutyryl-CoA | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acyl thioesters | Details |
| 2-Aminoisobutyric acid | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| 2,4-Diaminobutyric acid | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Diethanolamine | Organic compounds | Organonitrogen compounds | Amines | Alkanolamines | Details |
| 2-Mercapto-1-methylimidazole | Organic compounds | Organoheterocyclic compounds | Azoles | Imidazoles | Details |
| 4-Oxohexanoate | Organic compounds | Organic acids and derivatives | Keto acids and derivatives | Medium-chain keto acids and derivatives | Details |
| Isobutylamine | Organic compounds | Organonitrogen compounds | Amines | Primary amines | Details |
| Methyl sulfate | Organic compounds | Organic acids and derivatives | Organic sulfuric acids and derivatives | Sulfuric acid esters | Details |