Showing structure for 6-[(3ar,5ar,7s,9as,11s,11ar)-11-(acetyloxy)-7-hydroxy-3a,6,6,9a,11a-pentamethyl-3,4,10-trioxo-2h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-ylidene]-2-methyl-4-oxoheptanoic acid