1,3,4,5-Tetrahydroxy-2-methoxy-7-methyl-9,10-anthracenedione 7229-69-8 9,10-Anthracenedione, 1,3,4,5-tetrahydroxy-2-methoxy-7-methyl- Anthraquinone, 1,3,4,5-tetrahydroxy-2-methoxy-7-methyl- DERMOCYLIN Dermocybin NSC 257450