7,7,8-trichlorobicyclo[4.2.0]octa-1,3,5-triene

N-(2,2,2-trichloroethylidene)-4-chlorobenzenesulfonamide

1,1,3,4,4-五氯-1,3-丁二烯

六氯丁二烯

五氯苯