Bicyclo[3.1.1]hept-2-ene, 2,6-dimethyl-6-(4-methyl-3-pentenyl)-, Bergamotene, Bicyclo(3.1.1)hept-2-ene,2,6-dimethyl-6-(4-methyl-3-pentenyl), alpha-bergamotene, trans-2,6-Dimethyl-6-(4-methylpent-3-enyl)-bicyclo[3.1.1]hept-2-ene, Einecs 241-702-9, 2,6-dimethyl-6-(4-methyl-3-pentenyl)bicyclo[3.1.1]hept-2-ene