1. Key Laboratory of Jiangxi University for Applied Chemistry and Chemical Biology, College of Chemistry and Bio-engineering, Yichun University, Yichun 336000, P. R. China
2. Department of Basic Medicine, Yichun Vocational Technical College, Yichun 336000, P. R. China
3. School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P. R. China