1. Department of Analytical Chemistry, China Pharmaceutical University, Nanjing 211198, China
2. College of pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
3. Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing 211198, China
4. State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China