Synonyms: 5-beta-Card-20(22)-enolide, 3-beta-((2,6-dideoxy-3,4-O-(1-methylethylidene)-beta-D-ribo-hexopyranosyl)oxy)-5,14,19-trihydroxy-;Acetonhelveticosol;Acetonhelveticosol [German];Dimethylketonhelveticosol;Dimethylketonhelveticosol [German];FG 79;Helveticosol acetonide;3beta-((2,6-Dideoxy-3,4-O-isopropylidene-beta-D -ribo-hexopyranosyl)oxy)-5,14,19-trihydroxy-5beta-card-20(22)-enolide;Card-20(22)-enolide, 3-((2,6-dideoxy-3,4-O-(1-methylethylidene)-beta-D-ribo-hexopyranosyl)oxy)-5,14,19-trihydroxy-, (3beta,5beta)-;(3alpha,5beta,8xi,9xi)-3-{[2,6-dideoxy-3,4-O-(1-methylethylidene)-beta-D-glycero-hexopyranosyl]oxy}-5,14,19-trihydroxycard-20(22)-enolide