1H-inden-1-one, 2-ethyl-2,3-dihydro- 2-Ethyl-1-indanone 2-ethylindan-1-one 22351-56-0 InChI=1/C11H12O/c1-2-8-7-9-5-3-4-6-10(9)11(8)12/h3-6,8H,2,7H2,1H