2-Propenoic acid, polymer with ethenylbenzene, ethyl 2-propenoate, N-((2-methylpropoxy)methyl)-2-propenamide and 2-propenenitrile, ammonium salt 64521-22-8 Acrylonitrile, styrene, ethyl acrylate, acrylic acid, isobutoxymethylacrylamide polymer, ammonium salt