上游原料
4-chloro-2-fluoro-1-nitrobenzeneAniline; Phenylamine5-chloro-2-nitro-N-phenylanilineethyl 3-chloro-3-oxopropanoate; 2-Ethoxycarbonylacetyl chloride; Ethyl malonyl chlorideethyl 3-((5-chloro-2-nitrophenyl)(phenyl)amino)-3-oxopropanoateethyl 3-((2-amino-5-chlorophenyl)(phenyl)amino)-3-oxopropanoate8-chloro-1-phenyl-1,5-dihydro-2H-benzo[b][1,4]diazepine-2,4(3H)-dione