Institution: | 1. Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka 1‐3, Shinjuku‐ku, Tokyo 162‐8601 (Japan), Fax: (+81)?3‐5261‐4631;2. Department of Chemistry, Graduate School of Science, Osaka City University, Sugimoto‐cho, Sumiyoshi‐ku, Osaka 558‐8585 (Japan) |