66967-69-9 AMMONIUM, HEXAMETHYLENEBIS((3-((2,6-DIMETHYL-2-ETHYL)CYCLOHEXYL)-1-METHYL)PROPYL Ammonium, hexamethylenebis((3-((2,6-dimethyl-2-ethyl)cyclohexyl)-1-methyl)propyl)bis(dimethyl-, dibromide, hemihydrate