(S)-2-Benzyloxycarbonylamino-3-[3-(4-tert-butoxycarbonylamino-butyl)-4-(2-cyclohexyl-ethoxy)-phenyl]-propionic acid methyl ester

(S)-2-Benzyloxycarbonylamino-3-[4-(2-cyclohexyl-ethoxy)-3-iodo-phenyl]-propionic acid methyl ester