1. School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, P. R. China;
2. Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, Hunan University of Science and Technology, Xiangtan, P. R. China;
3. Key Laboratory of Theoretical Organic Chemistry and Functional molecular, Ministry of Education, Hunan University of Science and Technology, Xiangtan, P. R. China;
4. Hunan Province College Key Laboratory of QSAR/QSPR, Hunan University of Science and Technology, Xiangtan, China;
5. Department of Orthopedics, Second Xiangya Hospital, Central South University, Changsha, P. R. China