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