2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, ethenylbenzene and rel-(1R,2R,4R)-1,7,7-trimethylbicyclo(2.2.1)hept-2-yl 2-methyl-2-propenoate 71042-83-6 Butyl acrylate, isobornyl methacrylate, methacrylic acid, styrene polymer