Structure of ngouniensine: an indole alkaloid of a new type from Strychnos ngouniensis

Structure of ngouniensine: an indole alkaloid of a new type from Strychnos ngouniensis Further alkaloids from strychnos longicaudata and strychnos ngouniensis Guianensine, a zwitterionic alkaloid from Strychnos guianensis La strychnoxanthine, un alcaloïde monoterpénique d'un nouveau type isolé à partir du Strychnos gossweileri Strychnochrysine, a New Bisindole Alkaloid from the Roots of<i>Strychnos nux-vomica</i> Le Dolichantoside, un Alcaloïde Nouveau du Strychnos gossweileri Exell Strychnochrysine, a New Bisindole Alkaloid from the Roots ofStrychnos nux-vomica Alcaloides du Strychnos tchibangensis Occurrence of longicaudatine, a new type of bis(indole) base and dinor-C-alkaloid H in Strychnos species An indole alkaloid from Strychnos erichsonii