1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P. R. China
2. Nanbu County People’s Hospital, Nanchong City, Sichuan Province, P. R. China
3. College of Pharmacy, Shanxi Medical University, Shanxi 10114, P. R. China
4. Institute of Basic Medical Sciences of Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, P. R. China