27856-87-7 Card-20(22)-enolide, 3-((2,6-dideoxy-4-O-(2,6-dideoxy-beta-D-ribo-hexopyranosyl)-beta-D-ribo-hexopyranosyl)oxy)-14,16-dihydroxy-, (3beta,5beta,16beta)- Gitoxigenin bis(digitoxoside) Gitoxigenin bisdigitoxoside