Showing structure for 4-[(3as,3br,5ar,7s,8s,9as,9bs,11ar)-3a,7,8-trihydroxy-9a,11a-dimethyl-10-oxo-3h,3bh,4h,5h,5ah,6h,7h,8h,9h,9bh,11h-cyclopenta[a]phenanthren-1-yl]-5h-furan-2-one