(3S,5aR,6S,7aS,7bR,9aR,10R,11R,12S,13aR,13bR,15bS)-6,12-Dihydroxy-10-(hydroxymethyl)-2,2,7a,7b,10,13a-hexamethyl-5-oxo-1,2,3,6,7,7a,7b,8,9,9a,10,11,12,13,13a,13b,14,15b-octadecahydro-3,5a-methanochryseno[2,1-c]oxepin-11-yl D-xylopyranosyl-(1-2)-D-xylopyranosyl-(1-6)-D-glucopyranoside AIDS-087533 AIDS087533