THE MITRAGYNA SPECIES OF ASIA – Part IV. The alkaloids of the leaves ofMitragyna speciosaKorth.. Isolation of Mitragynine and Speciofoline¹

THE MITRAGYNA SPECIES OF ASIA – Part IV. The alkaloids of the leaves of<i>Mitragyna speciosa</i>Korth.. Isolation of Mitragynine and Speciofoline¹ The Mitragyna Species of Asia Alkaloids from Mitragyna speciosa Alkaloids from <i>Mitragyna speciosa</i> (Korth.) 3-dehydromitragynine: An alkaloid from Mitragyna speciosa The Mitragyna Species of Asia New indole alkaloids from the leaves of Malaysian Mitragyna speciosa Isolation, characterization, and NMR spectroscopic data of indole and oxindole alkaloids from Mitragyna speciosa 9-hydroxyrhynchophylline-type oxindole alkaloids Structure revision of mitragynaline, an indole alkaloid in Mitragyna speciosa