1. School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, P.R. China
2. College of Pharmacy, Shenzhen Technology University, 3002 Lantian Road, Shenzhen 518118, China
3. Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
4. Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China