英文名称:2-Acrylamido-2-methyl-1-propanesulfonic acid, ammonium salt, polymer with N-vinyl-N-methylacetamide and acrylamide; 1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propenyl)amino]-, monoammonium salt, polymer with N-ethenyl-N-methylacetamide and 2-propenamide; 2-Acrylamido-2-methyl-1-propanesulfonic acid, ammonium salt, polymer with N-vinyl-N-methylacetamide and acrylami