1,4,5,8-Tetrahydroxyanthraquinone, leuco derivative 1,4,5,8-Tetrahydroxyanthraquinone, leucoderivative 81-59-4 9,10-Anthracenedione, 2,3-dihydro-1,4,5,8-tetrahydroxy- 9,10-Athracenedione, 2,3-dihydro-1,4,5,8-tetrahydroxy- NSC23122