Showing structure for (1s,3as,3bs,5s,5as,7s,9as,11as)-1-acetyl-7-(acetyloxy)-9a,11a-dimethyl-1h,2h,3h,3ah,3bh,4h,5h,5ah,6h,7h,8h,9h,11h-cyclopenta[a]phenanthren-5-yl acetate