.alpha.,.alpha.'-Hexachloro-p-xylene .alpha.,.alpha.'-Hexachloroxylene .alpha.,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-Hexachloro-p-xylene .omega.,.omega.'-Hexachloro-p-xylene .omega.-Hexachloro-p-xylene 1,4-Bis(trichloromethyl)benzene 1,4-Di(trichloromethyl)benzene 1:4-Bis(trichloromethyl)benzene 2,2-Hexachloro-p-xylene 68-36-0 Benzene, 1,4-bis(trichloromethyl)- Bitriben Chloksil Chloxil Chloxyl Cloxil Hetol Hexachloroparaxylol Hexachloroxylene Hexichol Khloksil Khloxil NSC41883 p-Bis(perchloromethyl)benzene p-Bis(trichloromethyl)benzene p-Xylene, .alpha.,.alpha.'-hexachloro- p-Xylene, .alpha.,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-hexachloro-