li·sin·o·pril 
(lī-sĭnə-prĭl′)
(lī-sĭnə-prĭl′)n.
An ACE inhibitor drug, C21H31N3O5, used in its hydrated form to treat hypertension and congestive heart failure.
[Alteration of LYSINE + -pril, ACE inhibitor suffix (perhaps alteration of pr(opano)yl, constituent of early members of this class of drugs).]