Affiliation: | 1. Department of Chemistry, Stanford University, Stanford, CA 94305 (USA), Fax: (+1)?650‐725‐0259;2. Present address: Department of Chemistry, Simon Fraser University, Burnaby, BC, V5A‐1S6 (Canada);3. College of Science, Ibaraki University, Bunkyo, Mito, 310‐8512 (Japan), Fax: (+81)?29‐228‐8403;4. California State University–Chico, Chico, CA 95929 (USA) |