A New Sarpagine-Type Alkaloid, N¹-Methyl-11-hydroxymacusine A

A New Sarpagine-Type Alkaloid, N¹-Methyl-11-hydroxymacusine A Obovamine, a New Indole Alkaloid fromStemmadenia obovata Obovamine, a New Indole Alkaloid from<i>Stemmadenia obovata</i> 16-epi-Panarine, a New Betaine-Type Alkaloid from Stemmadenia minima 10-Hydroxy-Nb-methyl-corynantheol, a new quaternary alkaloid from the stem bark of Strychnos usambarensis A new cytisine-type alkaloid from the stem bark ofMaackia amurensis Obovatine, a New Bisindole Alkaloid from Stemmadenia obovata Obovatine, a New Bisindole Alkaloid from Stemmadenia obovata Methoxylated quinolizidine alkaloids from Acosmium panamense 11-Methoxy-Macusine A. A New Quaternary Alkaloid from Strychnos angolensis