Affiliation: | 1. Division of Earth, Life, and Molecular Sciences, Graduate School of Natural Science and Technology, 3‐1‐1 Tsushimanaka, Kita‐ku, Okayama 700‐8530 (Japan), Fax: (+81)?86‐251‐7855;2. Department of Chemistry, Aichi University of Education, Igaya, Kariya 448‐8542 (Japan) |