ethyl 2-(2',2',2'-trichloro)ethylidene-3-oxo-3-(2''-chlorophenyl)propionate

2-Chlor-benzoyl-malonsaeure-diethylester

邻氯苯甲酰氯

2-(2-chlorobenzoyl)-3-ethoxyacrylic acid ethyl ester

1,4-二氢-4-氧代-3-喹啉羧酸乙酯