17α-O-Methylyohimbine and vallesiachotamine from roots ofAmsonia elliptica

17α-O-Methylyohimbine and vallesiachotamine from roots ofAmsonia elliptica 3-epi-β-yohimbine from roots of Rauwolfia linearifolia Studies on plants containing indole alkaloids. VII. Isolation of several Aspidosperma- and Vincamine-type alkaloids from the seeds of Amsonia elliptica Roem. et Schult. Isolation of a new alkaloid “yohambinine” from rauwolfia serpentina benth. Studies on plants containing indole alkaloids. VII. Isolation of several Aspidosperma- and Vincamine-type alkaloids from the seeds of Amsonia elliptica Roem. et Schult. Alcaloides Des Feuilles De Neisosperma glomerata A New Alkaloid from the Roots of Alstonia angustifolia Berberis alkaloids 2?-N-methylberbamine fromBerberis oblonga New Indole Alkaloids from the Roots of <i>Ochrosia </i><i>a</i><i>cuminata</i> New Indole Alkaloids from the Roots of <i>Ochrosia </i><i>a</i><i>cuminata</i>