1,4-methanonaphthalene, 1,2,3,4-tetrahydro-5,6-dimethyl- 5,6-dimethyl-1,2,3,4-tetrahydro-1,4-methanonaphthalene InChI=1/C13H16/c1-8-3-6-12-10-4-5-11(7-10)13(12)9(8)2/h3,6,10-11H,4-5,7H2,1-2H