3-[Chloro(cyclohexyl)methyl]-2-ethyl-1-benzofuran 、
ethyl 3-(4-aminobenzamido)propanoate 以the title object compound (374 mg, 77%) was obtained as a pale-brown solid的产率得到3-{[(4-{[cyclohexyl(2-ethyl-1-benzofuran-3-yl)methyl]amino}phenyl)carbonyl]amino}propanoic acid