Synonyms: (m-Phenylenedimethylene)bis[triphenylphosphoniumbromide] (6CI,7CI); Phosphonium, (m-phenylenedimethylene)bis[triphenyl-,dibromide (8CI); Phosphonium, [1,3-phenylenebis(methylene)]bis[triphenyl-,dibromide (9CI); NSC 126612;[1,3-Bis(triphenylphosphoniomethyl)benzene]dibromide;[1,3-Phenylenebis(methylene)]bis[triphenylphosphonium dibromide]