Synonym
(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|PD 109488;|Quinapril Diketopiperazine|Quinapril USP RC A ; Quinapril Diketopiperazine ;Ethyl (2S)-2-[(3S,11aS)-3-methyl-1,4-dioxo-1,3,4,6,11,11ahexahydro-2H-pyrazino[1,2-b]isoquinolin-2-yl]-4-phenylbutanoate ;