obaberine/thalictrum minus

The roots of T. minus race B have yielded 9 alkaloids, thalirabine (1), thaliracebine (13), thalfine (19), thalfinine (20), thalrugosaminine (22), thalidasine (13), obaberine (24), thaliglucinone (25) and (S)-reticuline (26). The first two, possessing marked hypotensive activity, were assigned