1. Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy, Jinan University, Guangzhou 510632, P. R. China
2. Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, P. R. China
3. Southwest Pharmaceutical Co., Ltd., Chongqing 4000038, P. R. China
4. School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, P. R. China