1. Key
Laboratory of Nonferrous Metal Chemistry and Resources Utilization
of Gansu Province, State Key Laboratory of Applied Organic Chemistry
and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
2. Centro
de Química Estrutural, Complexo I, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001, Lisbon, Portugal