1,3-Indandione, 2-(2,3,5,6-tetramethylphenyl)- 1H-Indene-1,3(2H)-dione, 2-(2,3,5,6-tetramethylphenyl)- 2-(2,3,5,6-Tetramethylphenyl)-1,3-indandione 6549-59-3 BRN 1987842