1. Otto Diels-Institute of Organic Chemistry
2. Christian Albrechts University Kiel
3. 24118 Kiel
4. Germany
5. Department of General and Visceral Surgery
6. Ulm University Hospital
7. 89081 Ulm
8. Faculty of Chemistry and Chemical Biology
9. TU Dortmund University and Drug Discovery Hub Dortmund (DDHD) am Zentrum für integrierte Wirkstoffforschung (ZIW)
10. Dortmund
11. Institute of Pharmacy
12. Department of Chemistry
13. University of Cologne
14. 50674 Cologne