(S)-2-((S)-2-tert-Butoxycarbonylamino-3-phenyl-propionylamino)-4-methyl-pentanoic acid 2-oxo-2-phenyl-ethyl ester

L-亮氨酸甲酯盐酸盐

(S)-2-oxo-2-phenylethyl 2-((tert-butoxycarbonyl)-amino)-3-phenylpropanoate

L-苯丙氨酸

二碳酸二叔丁酯