Showing structure for (1s,3br,4r,5ar,9ar,9br,11s,11as)-4-hydroxy-1-(5-hydroxy-2-oxo-3h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-11-yl acetate