1. Department of Pharmaceutical Analysis; China Pharmaceutical University; 24 Tongjiaxiang Nanjing 210009 China
2. Beijing Shiqiao Biological and Pharmaceutical Co. Ltd; Beijing China
3. Center for instrumental analysis; China Pharmaceutical University; 24 Tongjiaxiang Nanjing 210009 China
4. State Key Laboratory of Natural Medicines; China Pharmaceutical University; Nanjing 21009 China