Structure revision of mitragynaline, an indole alkaloid in Mitragyna speciosa

Structure revision of mitragynaline, an indole alkaloid in Mitragyna speciosa New indole alkaloids from the leaves of Malaysian Mitragyna speciosa Isolation, characterization, and NMR spectroscopic data of indole and oxindole alkaloids from Mitragyna speciosa Alkaloids from Mitragyna speciosa 3-dehydromitragynine: An alkaloid from Mitragyna speciosa The Mitragyna Species of Asia Alkaloids from <i>Mitragyna speciosa</i> (Korth.) Isolation and Asymmetric Total Synthesis of a New <i>Mitragyna</i> Indole Alkaloid, (−)-Mitralactonine A new indole alkaloid, 7-hydroxyspeciociliatine, from the fruits of Malaysian Mitragyna speciosa and its opioid agonistic activity A new indole alkaloid, 7-hydroxyspeciociliatine, from the fruits of Malaysian Mitragyna speciosa and its opioid agonistic activity