1. Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan Provincial Center for Research & Development of Natural Products, State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, No. 2 North Cuihu Road, 650091 Kunming, China
2. School of Chemistry and Chemical Engineering, and Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 400030, China
3. Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, Republic of Singapore, 117543
4. Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, 450001, P. R. China