| Glutathione disulfide | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Glycerol 2-phosphate | Organic compounds | Lipids and lipid-like molecules | Glycerophospholipids | Glycerophosphates | Details |
| Glycerophosphoglycerol | Organic compounds | Lipids and lipid-like molecules | Glycerophospholipids | Glycerophosphoglycerols | Details |
| Glycerophosphoserine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Hydrogen ion | Inorganic compounds | Homogeneous non-metal compounds | Other non-metal organides | Other non-metal hydrides | Details |
| Hexadecanoyl-phosphate (n-C16:0) | Organic compounds | Organophosphorus compounds | Organic phosphoric acids and derivatives | Organic phosphoric acids | Details |
| Hexanoate (N-C6:0) | Organic compounds | Lipids and lipid-like molecules | Fatty Acyls | Fatty acids and conjugates | Details |
| Hydrogen cyanide | Organic compounds | Organonitrogen compounds | Nitriles | Not Available | Details |
| Hydrogen peroxide | Inorganic compounds | Homogeneous non-metal compounds | Homogeneous other non-metal compounds | Not Available | Details |
| Isethionic acid | Organic compounds | Organic acids and derivatives | Sulfonic acids and derivatives | Sulfonic acids | Details |
| KDO(2)-lipid IV(A) with laurate | Organic compounds | Lipids and lipid-like molecules | Saccharolipids | Not Available | Details |
| KDO(2)-lipid IV(A) | Organic compounds | Lipids and lipid-like molecules | Saccharolipids | Not Available | Details |
| KDO-lipid IV(A) | Organic compounds | Lipids and lipid-like molecules | Saccharolipids | Not Available | Details |
| L-Prolinylglycine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| L-Threonine O-3-phosphate | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| L-Alanine-D-glutamate-meso-2,6-diaminoheptanedioate-D-alanine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| L-alanine-D-glutamate-meso-2,6-diaminoheptanedioate | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| L-Alanyl-D-glutamate | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| L-Alanine-L-glutamate | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Maltohexaose | Organic compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Oligosaccharides | Details |
| Maltopentaose | Organic compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Oligosaccharides | Details |
| Menaquinol 8 | Organic compounds | Lipids and lipid-like molecules | Prenol lipids | Quinone and hydroquinone lipids | Details |
| Molybdate | Inorganic compounds | Mixed metal/non-metal compounds | Miscellaneous mixed metal/non-metals | Miscellaneous metallic oxoanionic compounds | Details |
| N-Acetyl-D-galactosamine 1-phosphate | Organic compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Aminosaccharides | Details |
| N-Acetyl-D-glucosamine(anhydrous)N-Acetylmuramic acid | Organic compounds | Organooxygen compounds | Carbohydrates and carbohydrate conjugates | Aminosaccharides | Details |
| N-Acetyl-D-glucosamine(anhydrous)N-Acetylmuramyl-tetrapeptide | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| N-Acetyl-D-glucosamine(anhydrous)N-Acetylmuramyl-tripeptide | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| N-Acetylanthranilate | Organic compounds | Benzenoids | Benzene and substituted derivatives | Benzoic acids and derivatives | Details |
| N-Methyltryptophan | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| N8-Acetylspermidine | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Carboxylic acid derivatives | Details |