2,7-Dinitro-9,10-phenanthrenedione 2,7-Dinitrophenanthraquinone 2,7-Dinitrophenanthrenequinone 4-07-00-02569 (Beilstein Handbook Reference) 604-94-4 9,10-Phenanthrenedione, 2,7-dinitro- (9CI) BRN 2005178 Phenanthrenequinone, 2,7-dinitro-