API Standards - H
- Halcinonide
- Halobetasol
- Halofuginone
- Halometasone
- Haloperidol
- Haloperidol Decanoate
- Harpagoside
- Hederacoside C
- Heliotrine
- Heparin
- Hesperetin
- Hesperidin
- Hexamidine
- Hexetidine
- Hexoprenaline
- Hidiosmin
- Hirsutine
- Histamine
- Histidine
- Homatropine Hydrobromide
- Homopterocarpin
- Huperazine A
- Hycosamide
- Hydralazine
- Hydrochlorothiazide
- Hydrocodone
- Hydrocortisone
- Hydroflumethiazide
- Hydromorphone
- Hydroquinone
- Hydroxocobalamin Acetate
- Hydroxy-α-sanshool
- Hydroxychloroquine
- Hydroxyethyl Salicylate
- Hydroxyzine
- Hymecromone
- Hyoscine Butylbromide
- Hyoscine Hydrobromide
- Hyoscyamine
- Hypericin
- Hyperoside