1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propenyl)amino]-, polymer with (2Z)-2-butenedioic acid and 2-propenoic acid 1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propenyl)amino]-, polymer with (Z)-2-butenedioic acid and 2-propenoic acid 2-Acrylamido-2-methylpropanesulfonic acid-acrylic acid-maleic acid copolymer 2-Butenedioic acid (2Z)-, polymer with 2-methyl-2-[(1-oxo-2-propen-1-yl)amino]-1-propanesulfonic acid and 2-propenoic acid 2-Butenedioic acid (2Z)-, polymer with 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid and 2-propenoic acid 2-Butenedioic acid (Z)-, polymer with 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid and 2-propenoic acid 2-Propenoic acid, polymer with (2Z)-2-butenedioic acid and 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid 2-Propenoic acid, polymer with (Z)-2-butenedioic acid and 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Acrylic acid-2-acrylamido-2-methyl-1-propanesulfonic acid-maleic acid copolymer Acrylic acid-2-acrylamido-2-methylpropanesulfonic acid-maleic acid copolymer Acrylic acid-maleic acid-2-acrylamide-2-methyl propane sulfonic acid copolymer Acrylic acid-maleic acid-2-acrylamido-2-methylpropanesulfonic acid copolymer Acrylic acid-maleic acid-2-methyl-2-acrylamidepropanesulfonic acid copolymer ZF 226JH