A new imidazole alkaloid and other constituents from Pilocarpus grandiflorus and their antifungal activity - Souza, Rejane C; Fernandes, Joao B; Vieira, Paulo C; Silva, M Fátima das G F da; Godoy, Marizeti F. P; Pagnocca, Fernando C; Bueno, Odair C; Hebling, M. José A; Pirani, José Rubens (Zeitschrift für Naturforschung B, 2005)