1. The Center for Basic Research and Innovation of Medicine and Pharmacy (MOE), School of Pharmacy, Second Military Medical University (Naval Medical University), Shanghai 200433, P. R. China
2. Naval Medical Center, Second Military Medical University, Shanghai 200433, P. R. China
3. Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, P. R. China
4. School of Pharmacy, Xinjiang Medical University, Urumqi 830054, P. R. China