1. State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
2. School of Pharmacy, University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China
3. Department of Microbiology, Sichuan Primed Bio-Tech Group Co., Ltd., Chengdu, Sichuan Province 610041, P. R. China
4. China Pharmaceutical University, Jiangsu 211198, China