1. TU Dortmund University Faculty of Chemistry and Chemical Biology Medicinal Chemistry Otto-Hahn-Strasse 6 44227 Dortmund Germany
2. TU Dortmund University Faculty of Chemistry and Chemical Biology Physical Chemistry Otto-Hahn-Strasse 4a 44227 Dortmund Germany
3. Medicinal Chemistry Bayer AG Aprather Weg 18a 42096 Wuppertal Germany