Showing structure for (1r,3ar,7s,9as,11as)-1-[(2s,3e,5r)-5,6-dimethylhept-3-en-2-yl]-9a,11a-dimethyl-1h,2h,3h,3ah,6h,7h,8h,9h,11h-cyclopenta[a]phenanthren-7-yl acetate