8-acetyl-8-bromo-6,11-dihydroxy-7,8,9,10-tetrahydro-5,12-naphthacenedione

9-acetyl-6,9,11-trihydroxy-8,10-dihydro-7H-tetracene-5,12-dione

2-acetyl-1,2,3,4,6,11-hexahydro-5,12-dihydroxynaphthacene-6,11-quinone

(1aS,11bS)-1a-((S)-1-hydroxyethyl)-5,10-dioxo-1a,2,3,5,10,11b-hexahydrotetraceno[1,2-b]oxirene-4,11-diyl diacetate

1,4-dimethoxy-9,10-dioxoanthracene-2-carbaldehyde