<unk> at — the active metabolite of<unk> <unk>  is a prodrug that is de-esterified to<unk> at. It is believed to exert its antihypertensive effect through the renin–angiotensin–aldosterone system.<unk>  has a half-life of about 6 hours, and<unk> at has a half life of about 10 h.<unk> at has about eight times the activity of its parent drug. About one-third of<unk>  and its metabolites are excreted in the urine, and about two-thirds of<unk>  and its metabolites are excreted in the feces. Serum protein binding of<unk>  is about 80%.
Trandolapril
Enalapril
Quinapril
Telmisartan
Nitroxinil
Lisinopril
Nebivolol
Captopril