The molecule is a member of the cadinene family of sesquiterpenes in which the double bonds are located at the 4-4a and 7-8 positions, and in which the isopropyl group at position 1 is cis to the hydrogen at the adjacent bridgehead carbon (position 8a). It is a cadinene and a member of hexahydronaphthalenes.
4,7-dimethyl-1-propan-2-yl-1,2,3,5,6,8a-hexahydronaphthalene