In vitro and in vivo Antimalarial Properties of Isostrychnopentamine, an Indolomonoterpenic Alkaloid from Strychnos usambarensis - Frédérich, Michel; Tits, Monique; Goffin, Eric; Philippe, Geneviève; Grellier, Philippe; De Mol, Patrick; Hayette, Marie-Pierre; Angenot, Luc (Planta Medica, 2004)