1. Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, PR China
2. Department of Chemistry, Tianjin University, Tianjin 300072, China
3. Institute of Theoretical Chemistry, Jilin University, Changchun 130023, PR China
4. Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming 650500, China