1. State Key
Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
2. Shenyang Pharmaceutical University, Shenyang 110016, China
3. College of Chemistry and Molecular
Engineering, Peking University, Beijing
100871, China
4. Department
of Chemistry, University of Chicago, Chicago,
Illinois 60637, United
States
5. State Key Laboratory
of Applied
Organic Chemistry, Lanzhou University,
Lanzhou 730000, China