1(2H)-naphthalenone, 2-ethyl-3,4-dihydro- 2-ethyl-3,4-dihydronaphthalen-1(2H)-one InChI=1/C12H14O/c1-2-9-7-8-10-5-3-4-6-11(10)12(9)13/h3-6,9H,2,7-8H2,1H