1. Cancer and Infectious Diseases Therapeutics Research Group, Korea Research Institute of Chemical Technology, Daejeon 305-600, Korea
2. Department of Microbiology and Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul 120-752, Korea
3. Global Alliance for TB Drug Development, New York, New York 10005, United States
4. Institute for Tuberculosis Research, University of Illinois, Chicago, Illinois 60612, United States
5. Department of Medicinal and Pharmaceutical Chemistry, University of Science and Technology, Daejeon 306-350, Korea