1. Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, People's Republic of China
2. Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, UMR 5246, CNRS, Université de Lyon 1, INSA-Lyon, CPE-Lyon, Laboratoire de Chimie Organique, INSA Lyon, Bâtiment J. Verne, 20 av A. Einstein, F-69621 Villeurbanne, France
3. State Key Laboratory of Bioorganic and Natural Products Chemistry, 354 Fenglin Lu, Shanghai 200032, People's Republic of China