2-Propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate, N-(hydroxymethyl)-2-propenamide and methyl 2-methyl-2-propenoate 25639-14-9 39434-72-5 72067-24-4 Ethyl acrylate, methyl methacrylate, methacrylic acid, N-methylolacrylamide polymer Ethyl acrylate, methyl methacrylate, methacrylic acid, methylolacrylamide polymer