1,4,9,10-蒽四酮

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

5,12-diacetoxy-1,2,3,4-tetrahydronaphthacene

6,11-dihydroxy-7,8,9,10-tetrahydrotetracene-5,12-dione

(12-acetyloxy-6,11-dioxo-1,2,3,4-tetrahydrotetracen-5-yl) acetate