1. Institutes of Biomedical Sciences and Department of Chemistry, Fudan University, 131 Dongan Road, 20032 Shanghai, China
2. Shanghai Institute of Materia Medica, Chinese Academy of Sciences Department, 555 Zuchongzhi Road, 201203 Shanghai, China
3. School of Pharmacy, University of Chinese Academy of Sciences, No. 19A Yuquan Road, 100049 Beijing, China