1-[bromo-(4-chlorophenyl)methyl]-4-chlorobenzene

1-氯-4-[氯(4-氯苯基)甲基]苯

1,1,2,2-tetrakis(4-chlorophenyl)ethane-1,2-diol

1,1-双(P-氯苯基)-2-氯乙烯

滴滴涕