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