2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with 1-ethenyl-2-pyrrolidinone, 2-methoxyethyl 2-propenoate and 2-propenoic acid, ammonium salt
2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with 1-ethenyl-2-pyrrolidinone, 2-methoxyethyl 2-propenoate and 2-propenoic acid, ammonium salt