2-Propenoic acid, 2-methyl-, butyl ester, polymer with butyl 2-propenoate, ethenylbenzene, 2-hydroxyethyl 2-propenoate and 2-propenoic acid 68123-57-9 Acrylic acid, butyl acrylate, butyl methacrylate, hydroxyethyl acrylate, styrene polymer