1. Laboratory of Toxicology (LATOX)
2. Department of Analysis
3. Pharmacy Faculty
4. Federal University of Rio Grande do Sul
5. 90610000 Porto Alegre
6. Division of Cardiology (Cardiolab)
7. Research Center
8. Hospital de Clínicas de Porto Alegre. Federal University of Rio Grande do Sul
9. Porto Alegre
10. Brazil
11. Post-graduate Program in Pharmaceutical Sciences (PPGCF)
12. Department of Production and Control of Drugs
13. Department of Pathology
14. Catholic University of Rio Grande do Sul
15. Institute of Cardiology
16. University Cardiology Foundation
17. Department of Organic Chemistry