1. Natural Products Center, School of Natural Resources and the Environment, College of Agriculture and Life Sciences, University of Arizona, 250 E. Valencia Road, Tucson, Arizona 85706, United States
2. Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Campus do Pici, Caixa Postal 6044, Fortaleza-CE, 60455-970, Brazil
3. Curso de Química, Universidade Estadual de Mato Grosso do Sul, Unidade de Navirai, Rua Emilio Mascoli 275, Navirai-MS, 79950-000, Brazil
4. Whitehead Institute for Biomedical Research, 455 Main Street, Cambridge, Massachusetts 02142, United States