2-Propenoic acid, 2-methyl-, 2-(dimethylamino)ethyl ester, polymer with dodecyl 2-methyl-2-propenoate and tridecyl 2-methyl-2-propenoate, compd. with dimethyl sulfate 77029-63-1 Dimethylaminoethyl methacrylate, dodecyl methacrylate, tridecyl methacrylate polymer, dimethyl sulfate quaternized