英文别名2,5-Dioxopyrrolidine Sacubitril; LCZ696 impurity 19; Ethyl (2R,4S)-4-([1,1'-biphenyl]-4-ylmethyl)-2-methyl-4-(2,5-dioxopyrrolidin-1-yl)butanoate; (2R,4S)-5-Biphenyl-4-yl-4-(2,5-dioxopyrrolidin-1-yl)-2-methylpentanoic acid ethyl ester; Ethyl (2R,4S)-4-(2,5-dioxopyrrolidin-1-yl)-2-methyl-5-(4-phenylphenyl)pentanoate; LCZ-696 Impurity 4; (2R,4S)-5-(Biphenyl-4-yl)-4-(2,5-dioxopyrrolidin-1-yl)-2-methylpentanoic acid ethyl ester; 1-Pyrrolidinebutanoic acid, gamma-([1,1'-biphenyl]-4-ylmethyl)-alpha-methyl-2,5-dioxo-, ethyl ester, (alphaR,gammaS)-; 5-(Biphenyl-4-yl)-4-(2,5-dioxopyrrolidin-1-yl)-2-methylpentanoic acid ethyl ester, (2R,4S)-; Ethyl (alphaR,gammaS)-gamma-([1,1'-biphenyl]-4-ylmethyl)-alpha-methyl-2,5-dioxo-1-pyrrolidinebutanoate 
