1. College of Chemistry and Chemical Engineering, Xi’an University of Science and Technology, Xi’an 710054, P. R. China
2. Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Xi’an 710021, P. R. China
3. Ibn-e-sina Block, Institute of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
4. School of Pharmacy, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, P. R. China
5. Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China