3,7,7-trimethylbicyclo[4.1.0]hept-3-ene InChI=1/C10H16/c1-7-4-5-8-9(6-7)10(8,2)3/h4,8-9H,5-6H2,1-3H bicyclo[4.1.0]hept-3-ene, 3,7,7-trimethyl-