1. Department
of Chemistry, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
2. Department
of Chemistry and Life Science, Kogakuin University, 2665-1 Nakano, Hachioji, Tokyo 192-0015, Japan
3. Faculty
of Education, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0213, Japan