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cilazapril

n. A pyridazine ACE inhibitor used for the treatment of hypertension and congestive heart failure.

Wikipedia
Cilazapril

Cilazapril is an angiotensin-converting enzyme inhibitor ( ACE inhibitor) used for the treatment of hypertension and congestive heart failure. It is branded as Dynorm, Inhibace, Vascace and many other names in various countries. None of these are available in the United States as of May 2010.

Of the eight possible stereoisomers, only the all-(S)-form is medically viable.