1. Key Laboratory of Functional Molecular Engineering of Guang-dong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
2. State Key Laboratory of Anti-Infective Drug Development (No. 2015DQ780357), Sunshine Lake PharmaCompany, Ltd., Dongguan 523871, China
3. State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China