4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-, polymer with ethenylbenzene, 2-methyl-1-propene and 1,3-pentadiene 70942-16-4 Ethenylbenzene, 2-methyl-1-propene, 1,3-pentadiene, 3a,4,7,7a-tetrahydro-4,7-methano-1H-indene polymer