英文名称:2-Propenoic acid, 2-methyl-, polymer with N-(butoxymethyl)-2-propenamide, ethyl 2-propenoate and 2-methyl-2-propenenitrile; 2-Propenoic acid, 2-methyl-, polymer with N-(butoxymethyl)-2-propenamide, ethyl 2-propenoate and 2-methyl-2-propenenitrile