1. Department of Chemical Physiology, The Scripps Research Institute, 10550 North Torrey Pines Road, SR302, La Jolla, California 92037, United States
2. Department of Animal Biology, Institute of Biology, Rua Monteiro Lobato, 255, Campinas, Sao Paulo 13083-862, Brazil
3. Department of Organic Chemistry, Institute of Chemistry, UNICAMP, Rua Josué de Castro SN, Room A111, Campinas, Sao Paulo 13083-862, Brazil