2-Propenoic acid, 2-methyl-, polymer with ethenylbenzene, ethyl 2-propenoate and 2-propenamide, reaction products with formaldehyde, butylated 68002-27-7 68442-47-7 Styrene, methacrylic acid, ethyl acrylate, acrylamide, formaldehydepolymer, butylated