Showing structure for 5-[(2r)-2-[(3as,5ar,9as,11ar)-3a,6,6,9a,11a-pentamethyl-7-oxo-3h,4h,5h,5ah,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]propyl]-5-hydroxy-3-methylfuran-2-one