4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-, polymer with ethenylbenzene, ethenylmethylbenzene, 1H-indene and (1-methylethenyl)benzene, hydrogenated 68442-05-7 Styrene, alpha-methylstyrene, vinyltoluene, dicyclopentadiene, indene polymer, hydrogenated