2-Propenoic acid, 2-methyl-, methyl ester, polymer with butyl 2-propenoate, N-(hydroxymethyl)-2-propenamide and 2-propenenitrile 34363-45-6 Butyl 2-propenoate, polymer with N-(hydroxymethyl)-2-propenamide, methyl 2-methyl-2-propenoate and propenenitrile