1,2-Benzanthraquinone 1,2-Benzo-9,10-anthraquinone 1,2-Benzoanthraquinone 2498-66-0 Benz[a]anthra-7,12-quinone Benz[a]anthracene-7,12-dione Benz[a]anthracene-7,12-quinone Benzanthracene-7,12-dione Benzanthraquinone C.I. 59000 NSC7961 Sirius Yellow G