2-Propenoic acid, butyl ester, polymer with 2-propenoic acid, ethylester, 2-propenenitrile, N-(hydroxymethyl)-2-propenamide and methylenebutanedioic acid 67785-46-0 Butanedioic acid, methylene-, polymer with butyl 2-propenoate, ethyl 2-propenoate, N-(hydroxymethyl)-2-propenamide and 2-propenenitrile Butyl acrylate, ethyl acrylate, acrylonitrile, N-methylolacrylamide, itaconic acid polymer