| 4-hydroxy-7-(2-hydroxybutyl)-3-methyloxepan-2-one | Organic compounds | Organoheterocyclic compounds | Lactones | Not Available | Details |
| 5-(3',4'-Dihydroxyphenyl)-gamma-valerolactone-4'-O-methyl-3'-O-glucuronide | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Details |
| 4,8-dihydroxy-1-methoxyxanthen-9-one | Organic compounds | Organoheterocyclic compounds | Benzopyrans | 1-benzopyrans | Details |
| 1,4,7-trihydroxy-9-(7-hydroxy-6-oxooctyl)-3,6-dimethyl-3h,6h,9h,12h,13h,14h,14ah-pyrrolo[1,2-a]1,4,7,10-tetraazacyclododecan-10-one | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| 5-(3',5'-Dihydroxyphenyl)-gamma-valerolactone-O-sulphate-O-methyl | Organic compounds | Organic acids and derivatives | Organic sulfuric acids and derivatives | Arylsulfates | Details |
| 1,6-diazatetracyclo[7.6.1.0⁵,¹⁶.0¹⁰,¹⁵]hexadeca-3,5(16),7,9,11,14-hexaene-2,13-dione | Organic compounds | Alkaloids and derivatives | Indolonaphthyridine alkaloids | Not Available | Details |
| Alanylcysteine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| 7,12-dihydroxy-2,2,4,9-tetramethyl-6-oxatricyclo[6.3.1.0⁴,¹²]dodecan-11-yl acetate | Organic compounds | Organoheterocyclic compounds | Oxanes | Not Available | Details |
| methyl 3,6,8-trihydroxy-1-methyl-9,10-dioxoanthracene-2-carboxylate | Organic compounds | Benzenoids | Anthracenes | Anthracenecarboxylic acids and derivatives | Details |
| Arginylhistidine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Arginylisoleucine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| methyl 2-{2,5-dihydroxy-4-[(2e,6e)-3,7,11-trimethyl-9-oxododeca-2,6,10-trien-1-yl]phenyl}acetate | Organic compounds | Lipids and lipid-like molecules | Prenol lipids | Sesquiterpenoids | Details |
| Arginylphenylalanine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Arginylserine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Arginylthreonine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| (2s)-3-[(1r,2s,3s,4r,5s)-2,4-dihydroxy-4-methyl-3,5-bis({[(2z)-2-methylbut-2-enoyl]oxy})cyclohexyl]-1-[(2s)-3,3-dimethyloxiran-2-yl]but-3-en-2-yl (2z)-2-methylbut-2-enoate | Organic compounds | Lipids and lipid-like molecules | Prenol lipids | Sesquiterpenoids | Details |
| Asparaginylaspartic acid | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Asparaginylglutamic acid | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| N-Acetylglutamine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| 27-Hydroxycholesterol | Organic compounds | Lipids and lipid-like molecules | Steroids and steroid derivatives | Bile acids, alcohols and derivatives | Details |
| (7S,11S)-(+)-12-acetoxysydonic acid | Not Available | Not Available | Not Available | Not Available | Details |
| (6r,8s,11as,12r,14ar,15s,17as)-15-benzyl-6,12,17-trihydroxy-6,8,13,14-tetramethyl-8h,9h,11ah,12h,14ah,15h-1,3-dioxacyclotrideca[4,5-d]isoindole-2,7-dione | Organic compounds | Alkaloids and derivatives | Cytochalasans | Not Available | Details |
| Asparaginyl-Valine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Aspartyl-Glutamine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Aspartyl-Histidine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Aspartyl-Isoleucine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| (2r,3r,4s,5r)-2-(6-aminopurin-9-yl)-5-(methoxymethyl)oxolane-3,4-diol | Organic compounds | Nucleosides, nucleotides, and analogues | Purine nucleosides | Not Available | Details |
| Aspartyl-Tryptophan | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Cysteinyl-Methionine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Glutaminylcysteine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
