1. Baker
Laboratory, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
2. Science
and Technology Research Center, Inc., Mitsubishi Chemical Group Science and Technology Research Center, Inc., 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-8502, Japan
3. Mitsubishi
Chemical Center for Advanced Materials and the Departments of Materials
and Chemical Engineering, University of California, Santa Barbara, Santa
Barbara, California 93106, United States
4. Japan Polychem Corporation, 1 Toho-cho, Mie, 510-0848, Japan