1. SAIC-Frederick, Inc., Target Structure-Based Drug Discovery Group, Frederick, Frederick, Inc., National Cancer Institute at Frederick, P.O. Box B, F.V.C. 310, Frederick, Maryland 21702, The Institute of Chemistry, Technology, and Metallurgy, Njegoševa 12, YU-11001 Belgrade, Serbia, College of Pharmacy, 986025 University of Nebraska Medical Center, Omaha, Nebraska 68198, U.S. Army Medical Research Institute of Infectious Diseases, Fort Detrick, 1425 Porter Street, Frederick, Maryland 21702, Developmental...