1-Bromo-4-(phenylsulphonyl)benzene 23038-36-0 4-(Phenylsulfonyl)bromobenzene 4-06-00-01651 (Beilstein Handbook Reference) 4-Bromodiphenyl sulfone 4-Bromophenyl phenyl sulfone BRN 1961405 Benzene, 1-bromo-4-(phenylsulfonyl)- (9CI) EINECS 245-392-6 NSC 220105 Sulfone, p-bromophenyl phenyl p-Bromophenyl phenyl sulfone