| 英文同义词: | 2-propenoic acid, 2-methyl-, butyl ester, polymer with ethyl 2-propenoate and m;2-Propenoic acid, 2-methyl-, butyl ester, polymer with ethyl 2-propenoate and methyl 2-methyl-2-propenoate;Butyl methacrylate·ethyl acrylate·methyl methacrylate copolymer |