82586-54-7,Quinapril Benzyl Ester Maleate (S)-benzyl2-((S)-2-(((S)-1-ethoxy-1-oxo-4-phenylbutan-
2-yl)amino)propanoyl)-1,2,3,4-tetrahydroisoquinoline-3-
carboxylate but-2-enedioate,(3S)-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid phenylmethyl ester (Z)-2-butenedioate (1:1)