4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-, polymer with ethenylbenzene, ethenylmethylbenzene, 1H-indene, (1-methylethenyl)benzene and 1-methyl-4-(1-methylethenyl)cyclohexene 68240-02-8 Styrene, alpha-methylstyrene, vinyltoluene, dicyclopentadiene, indene, limonene polymer