| S-Methyl-L-methionine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| 1-Methylnicotinamide | Organic compounds | Organoheterocyclic compounds | Pyridines and derivatives | Pyridinecarboxylic acids and derivatives | Details |
| Adenosine 3',5'-diphosphate | Organic compounds | Nucleosides, nucleotides, and analogues | Purine nucleotides | Purine ribonucleotides | Details |
| SAICAR | Organic compounds | Nucleosides, nucleotides, and analogues | Imidazole ribonucleosides and ribonucleotides | 1-ribosyl-imidazolecarboxamides | Details |
| L-Acetylcarnitine | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acid esters | Details |
| Inosinic acid | Organic compounds | Nucleosides, nucleotides, and analogues | Purine nucleotides | Purine ribonucleotides | Details |
| Ornithine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Indoleacetaldehyde | Organic compounds | Organoheterocyclic compounds | Indoles and derivatives | Indoles | Details |
| O-Phospho-4-hydroxy-L-threonine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| (2-amino-4-hydroxy-7,8-dihydropteridin-6-yl)methyl diphosphate(3-) | Chemical entities | Organic compounds | Organoheterocyclic compounds | Pteridines and derivatives | Details |
| Dephospho-CoA | Organic compounds | Nucleosides, nucleotides, and analogues | Purine nucleotides | Purine ribonucleotides | Details |
| Calcium(2+) | Inorganic compounds | Homogeneous metal compounds | Homogeneous alkaline earth metal compounds | Not Available | Details |
| 2-trans,6-trans,10-trans-geranylgeranyl diphosphate | Organic compounds | Lipids and lipid-like molecules | Prenol lipids | Diterpenoids | Details |
| Adenosine diphosphate ribose | Organic compounds | Nucleosides, nucleotides, and analogues | Purine nucleotides | Purine nucleotide sugars | Details |
| 5-O-(1-carboxyvinyl)-3-phosphoshikimic acid | Organic compounds | Organophosphorus compounds | Organic phosphoric acids and derivatives | Phosphate esters | Details |
| Xylulose 5-phosphate | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Details |
| Pyridoxal 5'-phosphate | Organic compounds | Organoheterocyclic compounds | Pyridines and derivatives | Pyridine carboxaldehydes | Details |
| L-Tyrosine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Alpha-Ketoisovaleric acid | Organic compounds | Organic acids and derivatives | Keto acids and derivatives | Short-chain keto acids and derivatives | Details |
| N1-Acetylspermidine | Organic compounds | Organic acids and derivatives | Carboximidic acids and derivatives | Carboximidic acids | Details |
| Diacetyl | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Carbonyl compounds | Details |
| 3-Isopropylmalate | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acids and conjugates | Details |
| L-Histidine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Ethylnitronate | Organic compounds | Organic acids and derivatives | Nitronic acids | Not Available | Details |
| Homocysteine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Superoxide | Inorganic compounds | Homogeneous non-metal compounds | Non-metal oxoanionic compounds | Non-metal superoxides | Details |
| Glycineamideribotide | Organic compounds | Nucleosides, nucleotides, and analogues | Glycinamide ribonucleotides | Not Available | Details |
| L-Kynurenine | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Carbonyl compounds | Details |
| (R)-Pantoic acid | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acids and conjugates | Details |
| (S)-Ureidoglycolic acid | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |