1,4-DIHYDROXY-9,10-ANTHRACENEDIONE 1,4-Dihydroxy-9,10-anthraquinone 1,4-Dihydroxyanthrachinon [Czech] 1,4-Dihydroxyanthraquinone 1,4-Dioxyanthraquinone [Russian] 1,4-Doa [Russian] 103220-12-8 81-64-1 9,10-Anthracenedione, 1,4-dihydroxy- AI3-17616 Anthraquinone, 1,4-dihydroxy- C.I. 58050 CCRIS 3524 CI 58050 Chinizarin EINECS 201-368-7 HSDB 5242 Macrolex Orange GG NSC 15367 NSC 646569 Quinizarin Quinizarine Smoke Orange R Solvent Orange 86