1. College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
2. Institute of Pharmacy and Molecular Biotechnology, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
3. State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
4. Chair of Medicinal and Bioinorganic Chemistry, School of Natural Sciences, Department of Chemistry, Technische Universität München, Lichtenbergstrasse 4, 85748 Garching b. München, Germany
5. College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
6. School of Biomedical Sciences, Hunan University, Changsha 410082, China
7. Institute of Medicinal and Pharmaceutical Chemistry, Technische Universität Braunschweig, Beethovenstrasse 55, 38106 Braunschweig, Germany