1. Southwest
Center for Natural Products Research and Commercialization, School
of Natural Resources and the Environment, College of Agriculture and
Life Sciences, The University of Arizona, 250 E. Valencia Road, Tucson, Arizona 85706, United States
2. Institute
for Tuberculosis Research, College of Pharmacy, University of Illinois at Chicago, 833 S. Wood Street, Chicago, Illinois 60612, United States
3. Department of Chemistry, University of Portland, 5000 N.
Willamette Boulevard, Portland, Oregon 97203, United States