66902-72-5 AMMONIUM, 2-BUTENYLENEBIS(1-METHYL-3-(2,2,6-TRIMETHYLCYCLOHEXYL)PROPYL)BIS(DIMET Ammonium, 2-butenylenebis(1-methyl-3-(2,2,6-trimethylcyclohexyl)propyl)bis(dimethyl-, dichloride, hemihydrate