Showing structure for (1s,3as,5ar,7s,8s,9ar,9br,11ar)-1-acetyl-3a,7,8-trihydroxy-9a,11a-dimethyl-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-5-one