Biological and Phytochemical Evaluation of Plants XII: Isolation of Acetylakuammidine from Aspidosperma quebracho-bianco Leaves

Biological and Phytochemical Evaluation of Plants XII: Isolation of Acetylakuammidine from Aspidosperma quebracho-bianco Leaves Biological and Phytochemical Evaluation of Plants XI: Isolation of Aspidospermine, Quebrachidine, Rhazinilam, (—)-Pyrifolidine, and Akuammidine from Aspidosperma Quebracho-blanco (Apocynaceae) Biological and Phytochemical Evaluation of Plants XI: Isolation of Aspidospermine, Quebrachidine, Rhazinilam, (—)-Pyrifolidine, and Akuammidine from Aspidosperma Quebracho-blanco (Apocynaceae) Weitere Alkaloide aus den Blättern von <i>Pleiocarpa tubicina</i>; Umwandlung von (—)‐Quebrachamin in (+)‐1,2‐Dehydroaspido‐spermidin 6. Mitteilung über <i>Pleiocarpa</i>‐Alkaloide [1] Novel indole alkaloids from cell suspension cultures of aspidosperma quebracho blanco schlecht Isolation of Quebrachamine and of a New Dihydroindole Alkaloid, Spegazzinine, from Aspidosperma chakensis Spegazzini^1,2 �ber neue Alkaloide aus der Rinde von Aspidosperma Quebracho blanco Schlecht Biological and Phytochemical Evaluation of Plants XIII: Preliminary Estimation of Analgesic Activity of Rhazinilam, a Novel Alkaloid Isolated from Aspidosperma quebracho-bianco Leaves Indole Alkaloids from the Leaves of Alstonia scholaris Die Alkaloide von Aspidosperma polyneuron M. A<scp>RG</scp>. Aspidosperma‐Alkaloide, 4. Mitteilung