35811-10-0 4'-Methylacetophenonehelveticosol 4-Methylacetophenonhelveticosol [German] Card-20(22)-enolide, 3-((2,6-dideoxy-3,4-O-((1-(p-methylphenyl)ethylidene)bis(oxy))-beta-D-ribo-hexopyranosyl)oxy)-5,14,19-trihydroxy-, (3-beta,5-beta)-