(1R,3R,12bS)-3,8-Dihydroxy-3-methyl-1-triisopropylsilanyloxy-1,2,3,4,6,12b-hexahydro-benzo[a]anthracene-7,12-dione

Acetic acid (2R,3R,4R,6R)-3-acetoxy-2-methyl-6-((R)-3,5,8-trihydroxy-3-methyl-1,7,12-trioxo-1,2,3,4,7,12-hexahydro-benzo[a]anthracen-9-yl)-tetrahydro-pyran-4-yl ester

Acetic acid (2R,3R,4R,6R)-3-acetoxy-6-((R)-3-benzyloxy-5,8-dihydroxy-3-methyl-1,7,12-trioxo-1,2,3,4,7,12-hexahydro-benzo[a]anthracen-9-yl)-2-methyl-tetrahydro-pyran-4-yl ester

Acetic acid (R)-3-benzyloxy-9-((2R,4R,5R,6R)-4,5-diacetoxy-6-methyl-tetrahydro-pyran-2-yl)-5-hydroxy-3-methyl-1,7,12-trioxo-1,2,3,4,7,12-hexahydro-benzo[a]anthracen-8-yl ester

(2R,3R,4R,6R)-6-((1R,3S,4aS,7aR,14bS)-10-acetoxy-3-(benzyloxy)-1-hydroxy-3,6,6-trimethyl-9,14-dioxo-1,3,4,7a,8,9,14,14b-octahydro-2H-tetrapheno[4a,5-d][1,3]dioxol-11-yl)-2-methyltetrahydro-2H-pyran-3,4-diyl diacetate