2-Propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate, methyl 2-methyl-2-propenoate, 2-methyl-2-propenenitrile and 2-propenamide 70715-04-7 Acrylamide, methacrylic acid, ethyl acrylate, methyl methacrylate, methacrylonitrile polymer