10,11-dihydroxy-2-acetoxy-6-(tert-butyldimethylsiloxy)-3-((4'-methoxyphenyl)thio)-12-oxo-1,4,4a(R*),5,5a(S*),6(S*),11(R*),11a(R*),12,12a(S*)-decahydronaphthacene

Acetic acid (9R,10S,10aR)-4-acetoxy-6-(3-acetoxy-2,2-dimethyl-propoxy)-8-acetyl-9,10-dihydroxy-9,10,10a,11-tetrahydro-naphthacen-5-yl ester

2-acetyl-10-acetoxy-3,4-(isopropylidenedioxy)-12,12-(2',2'-dimethylpropane-1',3'-diyldioxy)-6-hydroxy-11-oxo-3(S*),4(R*),4a(S*),5,5a(S*),6(S*),11a(R*),12,12a(S*)-decahydronaphthacene

12a-deoxypillaromycinone pentaacetate

2-acetyl-10,11-dihydroxy-6-(tert-butyldimethylsiloxy)-3,4-(isopropylidenedioxy)-12,12-(2',2'-dimethylpropane-1',3'-diyldioxy)-3(S*),4(R*),4a(S*),5,5a(S*),6(S*),11(R*),11a(R*),12,12a(S*)-decahydronaphthacene