2-Propenoic acid, butyl ester, polymer with N-(hydroxymethyl)-2-propenamide and 2-propenenitrile 30586-88-0 37200-31-0 60318-42-5 64719-15-9 Butyl 2-propenoate, 2-propenenitrile, N-(hydroxymethyl)-2-propenamide polymer Butyl acrylate, acrylonitrile, N-methylolacrylamide polymer Butyl acrylate, acrylonitrile, methylolacrylamide polymer