2,5-cyclohexadiene-1,4-dione, 3,5-bis(1,1-dimethylethyl)-2-phenyl- 3,5-di-tert-butyl-2-phenylbenzo-1,4-quinone InChI=1/C20H24O2/c1-19(2,3)14-12-15(21)16(13-10-8-7-9-11-13)17(18(14)22)20(4,5)6/h7-12H,1-6H