1. State Key Laboratory of Natural
and Biomimetic Drugs, Peking University, Beijing 100191, People's Republic of China
2. Analytical and Testing Center, Beijing Normal University, Beijing, 100875, People's
Republic of China
3. National Museum of Natural History Naturalis, 2300 RA Leiden, The Netherlands
4. Institute of Pharmaceutical
Biology and Biotechnology, Heinrich-Heine University, 40225 Duesseldorf, Germany