1,2,4-Trihydroxy-9,10-anthraquinone 1,2,4-Trihydroxyanthrachinon 1,2,4-Trihydroxyanthraquinone 81-54-9 9,10-Anthracenedione, 1,2,4-trihydroxy- Anthraquinone, 1,2,4-trihydroxy- C.I. 58205 C.I. 75410 Hydroxylizaric acid NSC10447 PURPURIN Purpurine Smoke Brown G Verantin WLN: L C666 BV IVJ DQ EQ GQ