methyl 2-[5-(4-chlorophenyl)-3-oxocyclohexen-1-yl]acetate

3-chloro-5-(4-chlorophenyl)cyclohex-2-en-1-one

4-氯苯甲醛

4'-氯-5-羟基-(1,1'-联苯)-3-乙酸甲酯

甲烷磺酰氯