1. Department of Chemistry Universidade Federal do Paraná Curitiba PR, 81.931-480 Brazil
2. Health Sciences Center Universidade Estadual de Maringá Maringá PR, 87.020-900 Brazil
3. School of Chemistry University of East Anglia Norwich NR4 7TJ UK
4. Academic Department of Chemistry and Biology Universidade Tecnológica Federal do Paraná Curitiba PR, 81.280-340 Brazil