(3R)-4-methyl-3-(phenylmethoxycarbonylamino)pentanoic acid

(2S)-1-苄基-2-异丙基哌嗪

L-缬氨酰-L-天冬氨酸

N-苄氧羰基-缬氨酰-苯基丙氨酸甲酯

Benzyloxycarbonyl-D-Ala-Phe