1. Department of Chemistry, Shanxi Key Laboratory of Polymer Science & Technology, MOE Key Laboratory of Supernormal Material Physics & Chemistry, School of Chemical & Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
2. State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
3. School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China
4. University of Chinese Academy of Sciences, Beijing 100049, China