| Guanylate Cyclase | Not Available | 2 | 11 | Details |
| Guanylate Cyclase Activators | Not Available | 2 | 2 | Details |
| Guanylate Cyclase Stimulators | Not Available | 2 | 17 | Details |
| Guanylate Cyclase-C Agonist | Not Available | 2 | 2 | Details |
| Guanylyl Cyclase C Agonists | Compunds that bind to and activate GUANYLYL CYCLASE-C RECEPTORS. | 5 | 5 | Details |
| Gutta-Percha | Not Available | 0 | 0 | Details |
| Gynecological Antiinfectives and Antiseptics | Not Available | 114 | 602 | Details |
| H2-receptor antagonists, cimetidine derivatives | Not Available | 0 | 0 | Details |
| Haemophilus Vaccines | Not Available | 3 | 0 | Details |
| Hallucinogens | Drugs capable of inducing illusions, hallucinations, delusions, paranoid ideations, and... more | 13 | 86 | Details |
| Halogenated alkane derivatives | Not Available | 0 | 0 | Details |
| Halogens | A family of nonmetallic, generally electronegative, elements that form group 17 (former... more | 6 | 19 | Details |
| HAO1-directed Small Interfering Ribonucleic Acid (siRNA) | Not Available | 1 | 3 | Details |
| Haptens | Small antigenic determinants capable of eliciting an immune response only when coupled ... more | 3 | 4 | Details |
| Harmala Alkaloids | Structurally-related ALKALOIDS derived from the seeds of PEGANUM HARMALA and other plan... more | 2 | 5 | Details |
| Harringtonines | Tetracyclic spiro-BENZAZEPINES isolated from the seeds of CEPHALOTAXUS. They are esters... more | 1 | 2 | Details |
| HCV NS3/4A Protease Inhibitors | Not Available | 7 | 62 | Details |
| HCV Protease Inhibitors | Not Available | 2 | 27 | Details |
| HCV Replication Complex Inhibitors | Not Available | 1 | 12 | Details |
| Heart Atria | Not Available | 1 | 0 | Details |
| Heat-Shock Proteins | Proteins which are synthesized in eukaryotic organisms and bacteria in response to hype... more | 2 | 1 | Details |
| Heavy Metal Antagonists | Not Available | 7 | 31 | Details |
| Hedgehog Pathway Inhibitor | Not Available | 3 | 22 | Details |
| Hedgehog pathway inhibitors | Not Available | 3 | 22 | Details |
| Helianthus | Not Available | 0 | 0 | Details |