1. Department of Pharmacology and Toxicology, College of Pharmacy, The University of Arizona, 1703 E. Mabel Street, Tucson, Arizona 85721-0207, Institute for Tuberculosis Research, College of Pharmacy (M/C 964), University of Illinois at Chicago, 833 S. Wood Street, Chicago, Illinois 60612-7231, Departamento de Ecología, Pontificia Universidad Católica de Chile, Casilla 114-D, Santiago, Chile, Southwest Center for Natural Products Research and Commercialization, Office of Arid Land Studies, College of...