1. Departmert of Pharmaceutics, School of Phammacy, Ningxia Medical University, No. 1160 Shengli South Street, Yinchuan 750004, PR China
2. Department of Hospital Pharmacy, General Hospital of Ningxia Medical University, No. 804 Shengli South Street, Yinchuan 750004, PR China
3. Department of Medical Chemistry, School of Basic Medicine, Ningxia Medical University, No. 1160 Shengli South Street, Yinchuan 750004, PR China