20991-71-3 Card-20(22)-enolide, 12-(acetyloxy)-3-((O-2,6-dideoxy-beta-d-ribo-hexopyranosyl-(1.4)-O-2,6-dideoxy-beta-d-ribo-hexopyranosyl-(1.4)-2,6-dideoxy-beta-d-ribo-hexopyranosyl)oxy)-14-hydroxy-, (3beta,5beta,12beta)- EINECS 244-139-7