4,8-dimethyl-1,2,3,5,6,7-hexahydro-s-indacene InChI=1/C14H18/c1-9-11-5-3-7-13(11)10(2)14-8-4-6-12(9)14/h3-8H2,1-2H s-indacene, 1,2,3,5,6,7-hexahydro-4,8-dimethyl-