2-methyl-1,4,4a,12a-tetrahydrotetracene-5,6,11,12-tetraone

(4aS,12aR)-2-Methyl-1,4,4a,12a-tetrahydro-naphthacene-5,6,11,12-tetraone

1,4,4a,12a-tetrahydro-6,11-dihydroxy-2-methylnaphthacene-5,12-dione

5a,11a-epoxy-1,4,4a,5a,11a,12a-hexahydro-2-methylnaphthacene-5,6,11,12-tetrone

1,4,9,10-蒽四酮