1. Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, P. R. China
2. Xinjiang Key Laboratory of Neurological Disorder Research, The Second Affiliated Hospital of Xinjiang Medical University, Urumqi 830028, P. R. China
3. School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, P. R. China
4. School of Pharmacy, Key Laboratory of Active Components of Xinjiang Natural Medicine and Drug Release Technology, Engineering Research Center of Xinjiang and Central Asian Medicine Resources, Xinjiang Medical University, Urumqi 830054, P. R. China