英文名称:2-Methyl-2-propenoic acid,methyl ester,polymer with ethyl 2-propenoate,2-propenamide,2-propenenitrile and 2-propenoic acid; 2-Methyl-2-propenoic acid,methyl ester,polymer with ethyl 2-propenoate, 2-propenamide,2-propenenitrile and 2-propenoic acid; 2-Methyl-2-propenoic acid,methyl ester,polymer with ethyl 2-propenoate,2-propenamide,2-propenenitrile and 2-propenoic acid