6,11-二羟基-5,12-萘并萘二酮

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

(5,12-dihydroxy-6,11-dioxo-1,4-dihydrotetracen-1-yl) acetate

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

(6,11-dihydroxy-5,12-dioxo-1,2,3,4,4a,12a-hexahydrotetracen-1-yl) acetate