2-Propenoic acid, 2-methyl-, ethyl ester, polymer with methyl 2-methyl-2-propenoate 25685-29-4 8063-45-4 90651-52-8 Etakril Ethyl methacrylate - methyl methacrylate copolymer Ethyl methacrylate, polymer with methyl methacrylate Lucite 147KNL Trim