4,6-dichlorobenzene-1,3-disulfonic acid

ethyl 4-(2,4-dichlorophenyl)-4-oxobut-2-enoate

diethyl 2-(3-chlorophenyl)propanedioate

2-(4-氯苯基)-1-(2,4-二氯苯基)乙酮

(2,6-dichlorophenyl)-(4-methylphenyl)methanone