1. D-27777 Ganderkesee, Germany
2. Institute of Ecological Chemistry and Waste Analysis, Braunschweig University of Technology, D-38106 Braunschweig, Germany
3. Institut für Organische Chemie, Universität Regensburg, D-93040 Regensburg, Germany
4. UFT—Center for Environmental Research and Technology, University of Bremen, D-28334 Bremen, Germany