| D-Ribulose 5-phosphate | Organic compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Monosaccharides | Details |
| L-Ribulose | Organic compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Monosaccharides | Details |
| Salicin | Organic compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Glycosyl compounds | Details |
| 3-Isopropylmalate | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acids and conjugates | Details |
| Trimethylamine N-Oxide | Organic compounds | Organonitrogen compounds | Amines | Amine oxides and derivatives | Details |
| UDP-3-O-(3-Hydroxymyristoyl)-N-acetylglucosamine | Organic compounds | Nucleosides, nucleotides, and analogues | Pyrimidine nucleotides | Pyrimidine nucleotide sugars | Details |
| UDP-D-Galacto-1,4-furanose | Organic compounds | Nucleosides, nucleotides, and analogues | Pyrimidine nucleotides | Pyrimidine nucleotide sugars | Details |
| Uridine diphosphate glucuronic acid | Organic compounds | Nucleosides, nucleotides, and analogues | Pyrimidine nucleotides | Pyrimidine nucleotide sugars | Details |
| UDP-N-Acetyl-3-(1-carboxyvinyl)-D-glucosamine | Organic compounds | Nucleosides, nucleotides, and analogues | Pyrimidine nucleotides | Pyrimidine nucleotide sugars | Details |
| UDP-N-Acetylmuramoyl-L-alanine | Organic compounds | Nucleosides, nucleotides, and analogues | Pyrimidine nucleotides | Pyrimidine nucleotide sugars | Details |
| UDP-N-Acetylmuramoyl-L-alanyl-D-glutamate | Organic compounds | Nucleosides, nucleotides, and analogues | Pyrimidine nucleotides | Pyrimidine nucleotide sugars | Details |
| UDP-N-Acetylmuramoyl-L-alanyl-D-glutamyl-meso-2,6-diaminoheptanedioate | Organic compounds | Nucleosides, nucleotides, and analogues | Pyrimidine nucleotides | Pyrimidine nucleotide sugars | Details |
| UDP-Glucose | Organic compounds | Nucleosides, nucleotides, and analogues | Pyrimidine nucleotides | Pyrimidine nucleotide sugars | Details |
| Urea | Organic compounds | Organic acids and derivatives | Organic carbonic acids and derivatives | Ureas | Details |
| Xylulose 5-phosphate | Organic compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Monosaccharides | Details |
| 5-L-Glutamyl-taurine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Biotinyl-5'-AMP | Organic compounds | Nucleosides, nucleotides, and analogues | Purine nucleotides | Purine ribonucleotides | Details |
| S-(Hydroxymethyl)glutathione | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Phenylacetaldehyde | Organic compounds | Benzenoids | Benzene and substituted derivatives | Phenylacetaldehydes | Details |
| 5-Amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate | Organic compounds | Nucleosides, nucleotides, and analogues | Imidazole ribonucleosides and ribonucleotides | 1-phosphoribosyl-imidazoles | Details |
| Cob(II)alamin | Organic compounds | Organoheterocyclic compounds | Tetrapyrroles and derivatives | Corrinoids | Details |
| 3-Dehydro-L-gulonate | Organic compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Sugar acids and derivatives | Details |
| Selenocystathionine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Deoxythymidine diphosphate-L-rhamnose | Organic compounds | Nucleosides, nucleotides, and analogues | Pyrimidine nucleotides | Pyrimidine nucleotide sugars | Details |
| Cis-2-Methylaconitate | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Tricarboxylic acids and derivatives | Details |
| 3-Oxohexadecanoyl-CoA | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acyl thioesters | Details |
| Decanoyl-CoA (N-C10:0CoA) | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acyl thioesters | Details |
| L-2-Amino-3-oxobutanoic acid | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| N-Acetyl-L-glutamyl 5-phosphate | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| D-Lactaldehyde | Organic compounds | Organooxygen compounds | Carbonyl compounds | Aldehydes | Details |