(2-acetyl-4-acetyloxy-5,10-dioxo-1H-cyclopenta[b]anthracen-11-yl) acetate

1,4,4a,12a-tetrahydrotetracene-5,6,11,12-tetrone

(5,6,11,12-tetraoxo-1,4,4a,12a-tetrahydrotetracen-1-yl) acetate

NSC219988

6,11-dihydroxy-7,10-dihydrotetracene-5,12-dione