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