4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-, polymer with ethenylmethylbenzene, 2,5-furandione, 1H-indene and (1-methylethenyl)benzene 68240-03-9 alpha-Methylstyrene, vinyltoluene, indene, dicyclopentadiene, maleic anhydride polymer