A new neo-clerodane, ajugapyrin A, as well as the iridoid glycosides 8
-acetylharpagide and harpagide have been isolated from the aerial part
s of Ajuga pyramidalis. The structure of ajugapyrin A was established
by chemical and spectroscopic means and comparison with those of close
ly related compounds. (C) 1997 Elsevier Science Ltd.