1. Departamento de Química, Universidade Estadual de Ponta Grossa, Av. Gal. Carlos Cavalcanti, 4748, Uvaranas, CEP, 84030-900 Ponta Grossa, PR, Brazil
2. Department of Chemistry and Biochemistry and the Canadian Centre for Research in Advanced Fluorine Technologies, University of Lethbridge, 4401 University Drive West, Lethbridge, AB, Canada T1K 3M4