1. Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana47907, United States
2. Center for Drug Discovery, Purdue University, 720 Clinic Drive, West Lafayette, Indiana47906, United States
3. Purdue Institute of Inflammation, Immunology, and Infectious Disease, West Lafayette, Indiana47906, United States
4. Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana46556, United States
5. Department of Microbial Pathogenesis, University of Maryland-Baltimore, Baltimore, Maryland21201, United States