1. Medicinal Chemistry and Pharmacology Institute, Inner Mongolia Minzu University, Tongliao, Inner Mongolia, P.R. China
2. Inner Mongolia Key Laboratory of Mongolian Medicine Pharmacology for Cardio-Cerebral Vascular System, Tongliao, Inner Mongolia, P.R. China
3. Affiliated Hospital of Inner Mongolia Minzu University, Tongliao, Inner Mongolia, P.R. China