Affiliation: | 1. Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560‐0043 (Japan), Fax: (+81)?6‐6850‐5765;2. Department of Chemistry, Graduate School of Science and Engineering, University of Toyama, Gofuku, Toyama 930‐8555 (Japan);3. Department of Chemistry, Faculty of Science, Kanagawa University, Hiratsuka, Kanagawa 259‐1293 (Japan) |