Synthesis and Characterization of Some Novel 2-(Trifluoromethyl)pyrimido[1,2-a]benzimidazoles and Pyrimido[1,2-a]benzimidazol-2H)-ones of Biological Interest - Zanatta, Nilo; Amaral, Simone S; Esteves-Souza, Andressa; Echevarria, Aurea; Brondani, Patrícia B; Flores, Darlene C; Bonacorso, Helio G; Flores, Alex F C; Martins, Marcos A P (Synthesis, 2006)