Molecular Formula: C25H28N2O4 Formula Weight: 420.5
(αS,3S,11aS)-1,3,4,6,11,11a-Hexahydro-3-methyl-1,4-dioxo-α-(2-phenylethyl)-2H-pyrazino[1,2-b]isoquinoline-2-acetic acid ethyl ester;Quinapril diketopiperazine