1. College of Pharmaceutical Sciences
2. Southwest University
3. Chongqing 400715
4. P. R. China
5. State Key Laboratory of Coordination Chemistry
6. School of Chemistry and Chemical Engineering
7. Nanjing University
8. Nanjing 210093
9. Department of Chemistry
10. Key Laboratory of Functional Inorganic Material Chemistry of Anhui Province
11. Anhui University
12. Hefei 230039