.alpha.,.alpha.'-Dibromo-p-xylene 1,4-Bis(bromomethyl)benzene 1,4-Dibromomethylbenzene 623-24-5 Benzene, 1,4-bis(bromomethyl)- NSC6226 p-(Bromomethyl)benzene p-.alpha.,.alpha.'-Dibromoxylene p-Bis(bromomethyl)benzene p-Xylene, .alpha.,.alpha.'-dibromo- p-Xylylene dibromide