上游原料
ethyl 2-(4-aminophenyl)acetateethyl 2-[4-(acetamido)phenyl]acetate(E)-1,4-dichloro-2-buteneethyl 2-(4-nitrophenyl)acetateethyl 2-(4-nitrophenyl)propanoateethyl 2-(4-aminophenyl)propanoateethyl 2-[4-(acetamido)phenyl]propanoateethyl 2-[4-(acetamido)-3-chlorophenyl]propanoateethyl 2-(4-amino-3-chlorophenyl)propanoateethyl 2-[3-chloro-4-(2,5-dihydro-1H-pyrrol-1-yl)phenyl]propanoate2,4-dichloro-1-nitrobenzene(E)-1,4-dichloro-2-buteneethyl 2-(4-amino-3-chlorophenyl)propanoateethyl 2-[3-chloro-4-(2,5-dihydro-1H-pyrrol-1-yl)phenyl]propanoate diethyl 2-(3-chloro-4-nitrophenyl)-2-methylmalonateethyl 2-(3-chloro-4-nitrophenyl)propanoatediethyl 2-(4-amino-3-chlorophenyl)-2-methylmalonate