68240-09-5 Bicyclo(3.1.1)hept-2-ene, 2,6,6-trimethyl-, polymer with 6,6-dimethyl-2-methylenebicyclo(3.1.1)heptane, 3-methylene-6-(1-methylethyl)cyclohexene and 1-methyl-4-(1-methylethenyl)cyclohexene beta-Pinene, alpha-pinene, dipentene, beta-phellandrene polymer