Sacubitril Standard

(2R,4S)-4-[(3-Carboxy-1-oxopropyl)amino]-4-[(p-phenylphenyl)methyl]-2-methylbutanoic Acid Ethyl Ester; [S-(R*,S*)]-[1,1'-Biphenyl]-4-pentanoic Acid,γ-[(3-carboxy-1-oxopropyl)amino]-α-methyl-Ethyl Ester; (2R,4S)-Sacubitril; (2R,4S)-5-(Biphenyl-4-yl)-4-[(3-carboxypropionyl)amino]-2-methylpentanoic Acid Ethyl Ester;