N-p-Chlorbenzoyl-β-(p-anisidino)-propionsaeure 、
3-氨基丙酸乙酯 以produces ethyl N-[N-(p-chlorobenzoyl)-3-(p-anisidino)propionyl]-3-aminopropionate (oil), saponification of which and processing of the reaction product的产率得到ethyl N-[N-(p-chlorobenzoyl)-3-(p-anisidino)propionyl]-3-aminopropionate