1H-indene-1,3(2H)-dione, 2-methyl-2-(2-oxopropyl)- 2-methyl-2-(2-oxopropyl)-1H-indene-1,3(2H)-dione InChI=1/C13H12O3/c1-8(14)7-13(2)11(15)9-5-3-4-6-10(9)12(13)16/h3-6H,7H2,1-2H