2-Propenoic acid, 2-methyl-, 2-(diethylamino)ethyl ester, polymer with butyl 2-methyl-2-propenoate 2-Propenoic acid, 2-methyl-, butyl ester, polymer with 2-(diethylamino)ethyl 2-methyl-2-propenoate Butyl methacrylate-(diethylamino)ethyl methacrylate copolymer Butyl methacrylate-2-(diethylamino)ethyl methacrylate copolymer Butyl methacrylate-2-(diethylamino)ethyl methacrylate polymer Butyl methacrylate-diethylaminoethyl methacrylate polymer Butyl methacrylate-N,N-diethylaminoethyl methacrylate copolymer Diethylaminoethyl methacrylate-butyl methacrylate copolymer Methacrylic acid, 2-(diethylamino)ethyl ester, polymer with butyl methacrylate Methacrylic acid, butyl ester, polymer with 2-(diethylamino)ethyl methacrylate