1. Department of Chemistry; Tokyo University of Science, Kagurazaka 1-3, Shinjuku-ku; Tokyo 162-8601 Japan
2. Nippon Chemi-con, Co. Ltd. 363 Arakawa, Takahagii, Ibaraki; 318-8505 Japan
3. Education Center; Faculty of Engineering Chiba Institute of Technology, Shibazono 2-1-1, Narashino; Chiba 275-0023 Japan