Isolation and structural studies on the alkaloids of Petchia ceylanica

Isolation and structural studies on the alkaloids of Petchia ceylanica Demethylpeceyline, A New Dimeric Indoline Alkaloid fromPetchia ceylanica New Bisindole Alkaloids from Petchia Ceylanica Alkaloids of Petchia ceylanica Alkaloids ofPetilium eduardi Structure of petiline Spectaline and iso-6 cassine, two new piperidin 3-ol alkaloids from the leaves of cassia spectabilis Spectalinine and iso-6-carnavaline, two unprecedented piperidine alkaloids from the seeds of cassia spectabilis (+)-14-HYDROXY-ISOSTEPHODELINE, a morphinan alkaloid from pachygone dasycarpa Alkaloids fromAlstonia undulata