Regiospecific synthesis of pyrido(34-b)- and pyrido(43-b)carbazole-511-dione deriviatives. Evaluation of their in vitro antifungal or antiprotozoological activities - Poumaroux, A; Bouaziz, Z; Fillion, H; Domard, M; Giraud, J; Petavy, A F (Chem Pharm L Bull, 1999)