1. School of Chemistry and Chemical Engineering; Central South University; Changsha 410083 China
2. School of Chemistry and Chemical Engineering; Hunan University of Science and Technology; Xiangtan 411201 China
3. Key Laboratory of Theoretical Chemistry and Molecular Simulation of Ministry of Education; Hunan University of Science and Technology; China
4. Hunan Provincial University Key Laboratory of QSAR/QSPR; China