Showing structure for (1s,3ar,5ar,9ar,9br,11ar)-3a,6,6,9a,11a-pentamethyl-1-[(2s)-6-methyl-5-oxoheptan-2-yl]-1h,2h,3h,5h,5ah,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one