1. Department of Chemistry and Biochemistry, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, Indiana 46556, United States
2. Leibniz Institute for Natural Product Research and Infection Biology−Hans Knoell Institute, Beutenbergstr. 11a, D-07745 Jena, Germany
3. Department of Chemistry, Duke University, Room 2104, French Family Science Center, 124 Science Drive, Box 90346, Durham, North Carolina 27708, United States
4. Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana 46556, United States
5. Tuberculosis Research Section, LCID, NIAID, NIH, Room 2W20G, Building 33, MSC 3206, 9000 Rockville Pike, Bethesda, Maryland 20892, United States