1. Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University No. 2025, Chengluo Avenue Chengdu 610106 P. R. China
2. Jinhua Branch Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University 888 West Hai Tang Road Jinhua 321007 P. R. China
3. College of Pharmacy Jinhua Polytechnic 888 West Hai Tang Road Jinhua 321007 P. R. China
4. Shanghai Institute of Materia Medica Chinese Academy of Sciences 555 Zuchongzhi Road Shanghai 201203 P. R. China
5. Zhongshan Institute for Drug Discovery Shanghai Institute of Materia Medica Chinese Academy of Sciences Zhongshan 528400 P. R. China