2-Propenoic acid, 2-methyl-, 2-propenyl ester, polymer with ethenylbenzene, ethyl 2-propenoate, 2-propenenitrile and 2-propenoic acid 68854-68-2 Acrylic acid, allyl methacrylate, acrylonitrile, ethyl acrylate, styrene polymer