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