in vitro , equine serum ace was sensitive to the following inhibitors ( ic50 ) : enalapril ( 570 nm or 215 ng/ml ) , captopril ( 190 nm or 41.3 ng/ml ) , and enalaprilat ( 6 nm or 2.1 ng/ml ) .
C0014025
enalapril
C0014027
enalaprilat