1. College of Chemistry & Chemical Engineering
2. Hubei University
3. Wuhan
4. P. R. China
5. School of Chemistry and Pharmaceutical Science
6. College of Chemistry and Chemical Engineering
7. Shaanxi University of Science & Technology
8. Xi'an 710021
9. Institut de Chimie de Strasbourg
10. CNRS-UMR 7177
11. Université de Strasbourg
12. 67070 Strasbourg
13. France