1. State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province
2. College of Chemistry and Chemical Engineering
3. Lanzhou University
4. Lanzhou 730000
5. P. R. China
6. Centro de Química Estrutural
7. Complexo I
8. Instituto Superior Técnico
9. Universidade de Lisboa
10. Lisbon