POTASSIUM 2-METHYL-2-[(1-OXOALLYL)AMINO]PROPANESULFONATE, 2-Acrylamido-2-methylpropanesulfonic acid monopotassium salt, EINECS 258-205-8, 1-Propanesulfonicacid,2-methyl-2-[(1-oxo-2-propenyl)amino]-,monopotassium salt (9CI), Potassium2-acrylamido-2-methylpropanesulfonate, Potassium 2-methyl-2-((1-oxoallyl)amino)propanesulphonate, 1-Propanesulfonic acid,2-methyl-2-[(1-oxo-2-propen-1-yl)amino]-,potassium salt (1:1)