1,3-Pentadiene, polymer with 2-methyl-2-butene and 3a,4,7,7a-tetrahydro-4,7-methano-1H-indene 4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-, polymer with 2-methyl-2-butene and 1,3-pentadiene 64253-37-8