1. Department of Medicinal Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu 210009, China
2. State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, Jiangsu 210009, China
3. Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing, Jiangsu 211098, China