3-((O beta-D-glucopyranosyl-(1-4)-O-3 beta-O-acetyl- 2,6-dideoxy-beta-D-ribo-hexopyranosyl-(1-4)-O-2,6- dideoxy-beta-D-ribo-hexopyranosyl-(1-4)-O-2,6- dideoxy-beta-D-ribo-hexopyranosyl)oxy)-12 beta,14-dihydroxy-5 beta-card-20(22)-enolide