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 acrylamide 77553-50-5