9-acetyl-4,9,11-trihydroxy-8,10-dihydro-7H-tetracene-5,12-dione

1-(1,4,5-trimethoxy-3-naphthylmethyl)-2-benzyloxycarbonyl-4-(1-hydroxyethyl)-4-hydroxy-cyclohexane

1,2,3,4,4a,5,12,12a-Octahydro-2-acetyl-2-hydroxy-6,7,11-trimethoxy-12-oxo-naphthacene