1. Guangdong Provincial Key Laboratory of Chiral Molecules and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
2. State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Pudong, Shanghai 201203, P. R. China
3. School of Pharmacy, Guangdong Medical University, Dongguan 523808, China