2-Propenoic acid, 2-methyl-, 2-(diethylamino)ethyl ester, polymer with ethyl 2-methyl-2-propenoate and (9Z)-9-octadecenyl 2-methyl-2-propenoate, compd. with dimethyl sulfate 68877-47-4 Ethyl methacrylate, oleyl methacrylate, diethylaminoethylmethacrylate polymer, dimethylsulfate quaternary ammonium salt Ethyl methacrylate/oleyl methacrylate/diethylaminoethyl methacrylate-quaternized with dimethyl sulfate Polyquaternium-13 Quaternium-38