.beta.-tert-Butylanthraquinone 2-tert-Butyl-9,10-anthraquinone 2-tert-Butylanthraquinone 84-47-9 9,10-Anthracenedione, 2-(1,1-dimethylethyl)- Anthraquinone, 2-tert-butyl- NSC30548