1. Department of Chemistry, Faculty of Science, Tokyo Metropolitan University, Minamiohsawa, Hachioji, Tokyo 192-03, Japan, Radioisotope Research Center, Tokyo Metropolitan University, Minamiohsawa, Hachioji, Tokyo 192-03, Japan, Department of Chemistry, Faculty of Science, Tokyo Institute of Technology, O-okayama 2, Meguro-ku, Tokyo 152, Japan, Showa College of Pharmaceutical Sciences, Higashi-tamagawagakuen, Machida, Tokyo 194, Japan, and Department of Environmental Science, School of Social Information...