英文名称:2-Propenoic acid, polymer with butyl 2-propenoate, ethenylbenzene, N-(hydroxymethyl)-2-methyl-2-propenamide and 2-methyl-2-propenamide; 2-Propenoic acid, polymer with butyl 2-propenoate, ethenylbenzene, N-(hydroxymethyl)-2-methyl-2-propenamide and 2-methyl-2-propenamide