Showing structure for (1r,3as,3bs,9ar,9bs,11as)-9a,11a-dimethyl-1-[(1r,4r,5r)-1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h-cyclopenta[a]phenanthrene-9,11-dione