2-HYDROXYANTHRAQUINONE 2-Hydroxy-9,10-anthracenedione 2-Hydroxy-9,10-anthraquinone 605-32-3 9,10-Anthracenedione, 2-hydroxy- Anthraquinone, 2-hydroxy- EINECS 210-085-8 NSC 2595 beta-Hydroxyanthraquinone