Showing structure for (1r,3ar,3br,5ar,7r,9ar,9bs,11r,11as)-7-(acetyloxy)-1-hydroxy-3a,3b,6,6,9a-pentamethyl-1-[(2s)-2-methyl-5-oxooxolan-2-yl]-dodecahydrocyclopenta[a]phenanthren-11-yl acetate