1. Laboratory of Photochemistry and Bioinorganic Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP), Av. do Café, Vila Monte Alegre, Ribeirão Preto, São Paulo, 14040-903, Brazil
2. Institute of Chemistry, São Paulo State University, Av. Prof. Francisco Degni, 55, 14800-900, Araraquara, São Paulo, Brazil
3. Department of Gerontology, Federal University of São Carlos, Rod. Washington Luís, Km 235, São Carlos, São Paulo, 13565-905, Brazil
4. Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93110-9510, USA