2,2',6,6'-Tetra-tert-butyldiphenylquinone 2,5-Cyclohexadien-1-one, 4-[3,5-bis(1,1-dimethylethyl)-4-oxo-2,5-cyclohexadien-1-ylidene]-2,6-bis(1,1-dimethylethyl)- 2455-14-3 3,3',5,5'-Tetra-tert-butyldiphenoquinone NSC14478 [Bi-2,5-cyclohexadien-1-ylidene]-4,4'-dione, 3,3',5,5'-tetra-tert-butyl-