A Novel Isoflavonoid from Millettia puguensis - Kapingu, Modest C; Mbwambo, Zakaria H; Moshi, Mainen J; Magadula, Joseph J; Cos, Paul; Berghe, Dirk Vanden; Maes, Louis; Theunis, Mart; Apers, Sandra; Pieters, Luc; Vlietinck, Arnold (Planta Medica, 2006)