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