1680-51-9 6-methyl-1,2,3,4-tetrahydronaphthalene InChI=1/C11H14/c1-9-6-7-10-4-2-3-5-11(10)8-9/h6-8H,2-5H2,1H naphthalene, 1,2,3,4-tetrahydro-6-methyl-