| Hydrolytic Lysosomal Glucocerebroside-specific Enzyme | Not Available | 4 | 4 | Details |
| Hydrolytic Lysosomal Glycogen-specific Enzyme | Not Available | 2 | 5 | Details |
| Hydrolytic Lysosomal Glycosaminoglycan-specific Enzyme | Not Available | 5 | 9 | Details |
| Hydrolytic Lysosomal N-terminal Tripeptidyl Peptidase | Not Available | 1 | 2 | Details |
| Hydrolytic Lysosomal Neutral Glycosphingolipid-specific Enzyme | Not Available | 3 | 7 | Details |
| Hydrolytic Lysosomal Triacylglycerol-specific Enzyme | Not Available | 1 | 1 | Details |
| Hydroxamic Acids | A class of weak acids with the general formula R-CONHOH. | 6 | 23 | Details |
| Hydroxides | Inorganic compounds that contain the OH- group. | 11 | 13 | Details |
| Hydroxy Acids | Organic compounds containing both the hydroxyl and carboxyl radicals. | 189 | 637 | Details |
| Hydroxyapatites | A group of compounds with the general formula M10(PO4)6(OH)2, where M is barium, stront... more | 1 | 54 | Details |
| Hydroxybenzoate Ethers | Benzoate derivatives that contain one or more alkyl or aryl groups linked to the benzen... more | 8 | 17 | Details |
| Hydroxybenzoates | Benzoate derivatives substituted by one or more hydroxy groups in any position on the b... more | 58 | 210 | Details |
| Hydroxybutyrates | Salts and esters of hydroxybutyric acid. | 3 | 15 | Details |
| Hydroxycorticosteroids | A group of corticosteroids carrying hydroxy groups, usually in the 11- or 17-positions.... more | 24 | 203 | Details |
| Hydroxylamines | Organic compounds that contain the (-NH2OH) radical. | 73 | 240 | Details |
| Hydroxymethylglutaryl-CoA Reductase Inhibitors | Compounds that inhibit HMG-CoA reductases. They have been shown to directly lower chole... more | 10 | 147 | Details |
| Hydroxyphenyl-Pyruvate Dioxygenase Inhibitor | Not Available | 0 | 0 | Details |
| Hydroxyphenylpyruvate Dioxygenase Inhibitors | Not Available | 1 | 2 | Details |
| Hydroxyprogesterones | Metabolites or derivatives of PROGESTERONE with hydroxyl group substitution at various ... more | 3 | 25 | Details |
| Hydroxypropiophenone | Cyclic compounds that include atoms other than carbon in their ring structure. | 1 | 14 | Details |
| Hydroxypyridones | Not Available | 1 | 1 | Details |
| Hydroxyquinoline Derivatives | Not Available | 5 | 4 | Details |
| Hydroxyquinolines | The 8-hydroxy derivatives inhibit various enzymes and their halogenated derivatives, th... more | 14 | 26 | Details |
| Hygroscopic Agents | Materials that readily absorb moisture from their surroundings. | 2 | 6 | Details |
| Hypercholesterolemia, drug therapy | Not Available | 1 | 1 | Details |