1. Institute of Pharmaceutical Biology and Biotechnology
2. Heinrich Heine University Düsseldorf
3. 40225 Düsseldorf
4. Germany
5. Department of Pharmacy
6. Department of Organic Chemistry
7. University of Debrecen
8. 4002 Debrecen
9. Hungary
10. Institute for Physiological Chemistry
11. University Medical Center of the Johannes Gutenberg University Mainz
12. 55128 Mainz
13. State Key Laboratory of Natural and Biomimetic Drugs
14. Peking University
15. 100191 Beijing
16. China