1,5-Difenoxyanthrachinon [Czech] 1,5-Diphenoxyanthraquinone 3-08-00-03789 (Beilstein Handbook Reference) 82-21-3 9,10-Anthracenedione, 1,5-diphenoxy- ANTHRAQUINONE, 1,5-DIPHENOXY- BRN 2485288 EINECS 201-404-1 NSC 37627