Ying Jiang1,2, Hong Zhao2, Ningning Zhu1, Yuqing Lin1, Ping Yu1, Lanqun Mao1
1Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080 (P.R. China), Fax: (+86) 10-62559373
2Graduate School of the Chinese Academy of Science, Beijing, 100049, P.R. China