1. Department
of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
2. Morphotek, Inc., 210 Welsh Pool
Road, Exton, Pennsylvania 19341, United States
3. Next Generation
Systems, Eisai, Inc., 4 Corporate Drive, Andover, Massachusetts 01810, United States