1. Institute of Biochemistry and Technical BiochemistryDepartment of Technical BiochemistryUniversität Stuttgart Allmandring 31 Stuttgart 70569 Germany
2. Sanofi Chimie, Pharmaceutics Development Platform Impasse des Ateliers 1 Vitry sur Seine 94400 France
3. Institute of ChemistryTechnical University of Berlin Strasse des 17. Juni 135 Berlin 10623 Germany