Showing structure for 7-{1,2,5a,6-tetrahydroxy-9a,11a-dimethyl-9-oxo-2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-4-hydroxy-4,5-dimethyl-2-oxabicyclo[3.2.1]octan-3-one