1. Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, P.R. China
2. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
3. Engineering Laboratory of Chemical Resources Utilization in South Xinjiang of Xinjiang Production and Construction Corps, College of Life Science, Tarim University, Alaer 843300, P. R. China