Showing structure for (1s,3as,5as,7r,9as,11ar)-1-[(2r,5r)-5,6-dimethylheptan-2-yl]-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,4h,5h,5ah,7h,8h,9h,10h,11h-cyclopenta[a]phenanthren-7-yl acetate