1. Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases (Gannan Medical University), Ministry of Education, School of Pharmacy, Gannan Medical University, Ganzhou 341000, P. R. China
2. State Key Laboratory of Anti-Infective Drug Development, Sunshine Lake Pharma Company, Ltd, Dongguan 523871, P. R. China
3. School of Chemistry and Chemical Engineering, Zhaoqing University, Zhaoqing 526060, P. R. China