1. Department of Chemistry, China Pharmaceutical University, Nanjing 210009, China
2. School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
3. State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
4. Key Laboratory of Biomedical Functional Materials, China Pharmaceutical University, Nanjing 210009, China
5. Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Nanjing 210009, China