Glimepiride(Amaryl) is a medium-to-long acting sulfonylurea anti-diabetic compound with an ED50 of 182 μg/kg.

Glipizide is used to treat high blood sugar levels caused by a type of diabetes mellitus called type 2 diabetes.

Glucosamine (hydrochloride) is a natural product.

Gossypol

Granisetron Hcl(BRL 43694A) is a serotonin 5-HT3 receptor antagonist used as an antiemetic to treat nausea and vomiting following chemotherapy.

Grape Seed Extract

Guaifenesin(Guaiphenesin)

Haloperidol (Haldol)

Hesperidin

Darunavir(TMC114) is an HIV protease inhibitor,showed potent activity against COVID-19(SARS-COV-2) .

Hydralazine HCl

Hydrochlorothiazide

Hydrocortisone (Cortisol)

Hydroxyflutamide (Hydroxyniphtholide)

Hydroxyurea (Cytodrox)

Hyoscyamine Sulfate

Ibudilast(KC-404;AV-411;MN-166) is a relatively nonselective phosphodiesterase inhibitor which has been marketed for treating asthma,ibudilast (MN-166) is tested to treat acute respiratory distress syndrome (ARDS) associated with Covid-19.

Ibuprofen (Motrin) is an anti-inflammatory inhibitor targeting COX-1 and COX-2, of which is used for pain relief, fever reduction and for reducing swelling.

Ibutilide Fumarate is a Class III antiarrhythmic agent that is indicated for acute cardioconversion of atrial fibrillation and atrial flutter of a recent onset to sinus rhythm.

Idebenone

Ifosfamide is a nitrogen mustard alkylating agent used in the treatment of cancer.

Iloperidone (Fanapt)