(p-Phenylenebis(1-methylethylene))bis(trimethylammonium) dibromide 10072-43-2 AMMONIUM, (p-PHENYLENEBIS(1-METHYLETHYLENE))BIS(TRIMETHYL-, DIBROMIDE Phenylene-p,p'-bis(2-trimethylammoniumpropyl) dibromide p-Phenylenebis(1-methylethylene)bis(trimethylammonium bromide)