Affiliation: | 1. Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871 (China), Fax: (+86)?10‐6275‐1708 http://www.chem.pku.edu.cn/physicalorganic/home.htm;2. Department of Chemistry, Tongji University, Shanghai 200092 (China) |