1. Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun Jilin 130022 P. R. China
2. Department of Chemistry; University of Warwick; Gibbet Hill Road Coventry CV4 7AL UK
3. University of Chinese Academy of Sciences; Beijing 100039 P. R. China
4. FIBER; Konan University; Kobe 650-0047 Japan