Showing structure for (1s,3ar,3br,5ar,7r,9ar,9br,11ar)-1-[(2s,6s)-6-methoxy-2,5,5-trimethyloxan-2-yl]-3a,3b,6,6,9a-pentamethyl-dodecahydro-1h-cyclopenta[a]phenanthren-7-yl acetate