1. Ribeirão Preto School of Pharmaceutical ScienceUniversity of Sao Paulo Ribeirão Preto São Paulo Brazil
2. Institute of ChemistryFederal University of Uberlândia Uberlândia Minas Gerais Brazil
3. Laboratory of Pharmacognosy, School of Pharmaceutical SciencesSão Paulo State University Araraquara São Paulo Brazil
4. Centre for Research in Mass Spectrometry, Department of ChemistryYork University Toronto Ontario Canada
5. Institute of ChemistrySão Paulo State University Araraquara São Paulo Brazil
6. Department of Life SciencesImperial College London, Silwood Park Campus Ascot Berkshire UK
7. Chemistry DepartmentFederal University of Piauí Teresina Piauí Brazil