26732-25-2 3-06-00-01048 (Beilstein Handbook Reference) BRN 2270062 Benzene, 1-bromo-4-((2-chloroethyl)sulfonyl)- (9CI) NSC 202564 Sulfone, p-bromophenyl 2-chloroethyl p-Bromophenyl 2-chloroethyl sulfone