1. Department of Pharmacy , Baotou Medical College , Baotou, Inner Mongolia China , 014040
2. Institute of Bioactive Substance and Mongolian Medicine and Chinese Materia Medica , Baotou, Inner Mongolia , China 014040
3. The Third Staff Hospital of Baogang Group , Baotou, Inner Mongolia , China 014010
4. Hunan University of Medicine , Huaihua Hunan , China , 418000