1. State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
2. School of Chinese Materia Medica Nanjing University of Chinese Medicine Nanjing Jiangsu 210023 China
3. Bohai rim Advanced Research Institute for Drug Discovery 198 Binhai East Road, High‐tech Zone Yantai Shandong 264000 China