1. Department of Chemistry, Yale University, PO Box 208107, New Haven, Connecticut 06520, Department of Medicine, University of Washington, Campus Box 357185, Seattle, Washington 98195, Departments of Chemistry and Biochemistry, Campus Box 351700, University of Washington, Seattle, Washington 98195, Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, U.K., and Drug Discovery Program, H. Lee Moffitt Cancer Center & Research Institute...