英文名称:2-Propenoic acid, polymer with 2-methyl-2-[(1-oxo-2-propenyl) amino]-1-propanesulfonic acid monosodium salt and sodium 2-propenoate; 2-Propenoic acid, polymer with 2-methyl-2-((1-oxo-2-propenyl)amino)-1-propanesulfonic acid monosodium salt and sodium 2-propenoate