2-Propenoic acid, 2-methyl-, butyl ester, polymer with 2-((1,1-dimethylethyl)amino)ethyl 2-methyl-2-propenoate and methyl 2-methyl-2-propenoate 29354-75-4 Butyl methacrylate, methyl methacrylate, 2-(tert-butylamino)ethyl methacrylate polymer Methyl methacrylate, n-butyl methacrylate, tert-butylaminoethyl methacrylate polymer