1. Key Laboratory
of Radiopharmaceuticals,
Ministry of Education, College of Chemistry, Beijing Normal University,
Beijing 100875, P. R. China
2. Wuhan Institute for Neuroscience
and Neuroengineering, South-Central University for Nationalities,
Wuhan 430074, P. R. China
3. Department of Patho-Functional
Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University,
46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan