132315-63-0 2-Propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate, N-(4-hydroxyphenyl)-2-methyl-2-propenamide and 2-propenenitrile 77833-95-5 N-(4-Hydroxyphenyl)methacrylamide-acrylonitrile-ethyl acrylate-methacrylic acid copolymer