3ß-[(2,6-dideoxy-3,4-O-isopropylidene-ß-D-ribo-hexopyranosyl)oxy]-14,16ß-dihydroxy-5ß-card-20(22)-enolide 16-formate

[14-hydroxy-10,13-dimethyl-17-(5-oxo-2H-furan-3-yl)-3-[(2,2,4-trimethyl-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-6-yl)oxy]-1,2,3,4,5,6,7,8,9,11,12,15,16,17-tetradecahydrocyclopenta[a]phenanthr, (3β, 5β,14β,16β,17β)-3-{[2,6-dideoxy-3,4-O-(1-methylethylidene)-β-D-ribo-hexopyranosyl]oxy}-14-hydroxy-16-(formyloxy)card-20(22)-enolide, Formic acid (3S,5R,8R,9S,10S,13R,14S,16S,17R)-14-hydroxy-10,13-dimethyl-17-(5-oxo-2,5-dihydro-furan-3-yl)-3-((3aR,4R,6R,7aS)-2,2,4-trimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yloxy)-hexadecahydro-cyclopenta[a]phenanthren-16-yl ester, [14-hydroxy-10,13-dimethyl-17-(5-oxo-2H-furan-3-yl)-3-[(2,2,4-trimethyl-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-6-yl)oxy]-1,2,3,4,5,6,7,8,9,11,12,15,16,17-tetradecahydrocyclopenta[a]phenanthren-16-yl] formate,