1. College of Pharmacy, Department of Pharmacology and Toxicology, University of Arizona, 1703 E. Mabel Street, PO Box 210207, Tucson, Arizona 85721, United States
2. College of Agriculture and Life Sciences, School of Natural Resources and the Environment, Southwest Center for Natural Products Research, University of Arizona, 250 E. Valencia Road, Tucson, Arizona 85706, United States
3. Department of Molecular and Cellular Biology, University of Arizona, 1007 E. Lowell Street, Tucson, Arizona 85721, United States
4. Department of Chemistry and Biochemistry, University of Arizona, 1041 E. Lowell Street, Tucson, Arizona 85719, United States
5. School of Molecular Sciences, Biodesign Institute, Arizona State University, 1001 S. McAllister Avenue, Tempe, Arizona 85287, United States