(S)-2-[((S)-2-Cyclohexyl-2-isobutoxycarbonylamino-acetyl)-methyl-amino]-3-cyclopropyl-propionic acid methyl ester

(S)-2-[((S)-2-Cyclohexyl-2-isobutoxycarbonylamino-acetyl)-methyl-amino]-3-cyclopropyl-propionic acid

(S)-[2-((S)-3-Amino-4-cyclopropyl-2-hydroxy-butyrylamino)-acetylamino]-phenyl-acetic acid tert-butyl ester

(S)-[2-((S)-3-tert-Butoxycarbonylamino-4-cyclopropyl-2-hydroxy-butyrylamino)-acetylamino]-phenyl-acetic acid tert-butyl ester

DL-苯甘氨酸叔丁酯