N-2.4-Dichlorbenzoyl-α-(p-anisidino)-propionsaeure 、
γ-(p-Anisidino)-buttersaeuremethylester 以produces methyl N-[N-(2,4-dichlorobenzoyl)-2-(p-anisidino)propionyl]-4-(p-anisidino)butyrate (oil), saponification of which and processing of the reaction product的产率得到methyl N-[N-(2,4-dichlorobenzoyl)-2-(p-anisidino)propionyl]-4-(p-anisidino)butyrate