1-methylene-1,2,3,4-tetrahydronaphthalene InChI=1/C11H12/c1-9-5-4-7-10-6-2-3-8-11(9)10/h2-3,6,8H,1,4-5,7H naphthalene, 1,2,3,4-tetrahydro-1-methylene-