(2S)-2-((S)-2-(benzylamino)-4-oxo-4-phenylbutanamido)-2-phenylacetic acid

N-[(2S)-2-(benzylamino)-4-oxo-4-phenylbutanoyl]-L-phenylalanine

(S)-2-氨基-4-苯基丁酸乙酯

(S)-2-acetamido-4-phenylbutyric acid ethyl ester

N-[(2S)-2-amino-4-phenylbutanoyl]-L-leucine