1H-inden-1-one, 2,3-dihydro-4,7-dimethyl- 4,7-dimethylindan-1-one 5037-60-5 InChI=1/C11H12O/c1-7-3-4-8(2)11-9(7)5-6-10(11)12/h3-4H,5-6H2,1-2H