1. Institute
of Chemistry, University of Campinas (UNICAMP), C.P. 6154, CEP 13084-971 Campinas, São Paulo, Brazil
2. Division
of Medicinal Chemistry, Department of Pharmaceutical Sciences, University of Connecticut, Storrs, Connecticut 06269, United States
3. Center
for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography,
and Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, California 92093, United States