2-Propenoic acid, 2-methyl-, butyl ester, polymer with ethenylbenzene and 2-hydroxyethyl 2-methyl-2-propenoate 31423-16-2 Butyl methacrylate, styrene, hydroxyethyl methacrylate polymer Styrene, butyl methacrylate, hydroxyethyl methacrylate polymer Styrene, polymer with butyl methacrylate and hydroxyethyl methacrylate