1. Department
of Chemistry, Faculty of Science, Kumamoto University, Kumamoto 860-8555, Japan
2. Department
of Engineering Science, The University of Electro-Communications, Chofu, Tokyo 182-8585, Japan
3. Department
of Chemistry, Faculty of Science, Okayama University, Tsushima-naka
3-1-1, Okayama 700-8530, Japan
4. Department
of Chemistry, Chiba Institute of Technology, Shibazono 2-1-1, Narashino, Chiba 275-0023, Japan
5. Facolta
di Farmacià, Universita degli Studi “G. d’Annunzio”, I-66100 Chieti, Italy