67011-27-2 AMMONIUM, HEXAMETHYLENEBIS((3-((2-ISOPROPYL-5-METHYL)CYCLOPENTYL)-1-METHYL)PROPY Ammonium, hexamethylenebis((3-((2-isopropyl-5-methyl)cyclopentyl)-1-methyl)propyl)bis(dimethyl-, dibromide, hemihydrate