Synonyms: 5b-Card-20(22)-enolide, 3b-[(3,4-O-benzylidene-2,6-dideoxy-b-D-ribo-hexopyranosyl)oxy]-5,14-dihydroxy-19-oxo-(8CI); 4H-1,3-Dioxolo[4,5-c]pyran, card-20(22)-enolide deriv.;D-ribo-Hexopyranoside, strophanthidin-3 3,4-O-benzylidene-2,6-dideoxy-, b- (8CI)