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