<unk>  is an Angiotensin converting enzyme inhibitor that is FDA approved for the treatment of hypertension. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include hypotension, asthenia, dizziness, headache, cough and fatigue.
Ramipril
Nostril
Spirapril
Temocapril
Isosorbide dinitrate
Captopril
Delapril
Balsalazide