1. Synthetic Bioactive Molecules Section, Laboratory of, Bioorganic Chemistry (LBC), National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); National Institutes of, Health (NIH); 8 Center Drive, Room 404 Bethesda MD 20892 USA
2. Naval Research Laboratory, Code 6910; 4555 Overlook Ave. SW Washington D.C. 20375 USA