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