1. School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, Guangdong 510006, P.R. China
2. School of Pharmacy, Guizhou Medical University, Guian New District, Guizhou 550025, P.R. China
3. Department of Biochemistry and Molecular Medicine, School of Medicine, University of California Davis, Sacramento, California 95817, United States
4. National-Local Joint Engineering Laboratory of Druggability and New Drugs Evaluation, Sun Yat-sen University, Guangzhou, Guangdong 510006, P.R. China