sodium 2-acrylamido-2-methyl-1-propane sulfonate/sodium acrylate/n-isopropylacrylamide/trimethyl(3-methacrylamidopropyl)ammonium chloride copolymer
sodium 2-acrylamido-2-methyl-1-propane sulfonate/sodium acrylate/n-isopropylacrylamide/trimethyl(3-methacrylamidopropyl)ammonium chloride copolymer