2,5-Cyclohexadiene-1,4-dione, 2,5-bis(1,1-dimethylethyl)- 2,5-Di-tert-butylbenzoquinone 2,5-Di-tert-butylquinone 2,5-Di-tert-butylsemiquinone 2460-77-7 NSC7489 p-Benzoquinone, 2,5-di-tert-butyl-