1. Institute of General, Inorganic and Theoretical Chemistry University of Innsbruck Center for Chemistry and Biomedicine Innrain 80–82 6020 Innsbruck Austria
2. Institute of Organic Chemistry University of Innsbruck Center for Chemistry and Biomedicine Innrain 80–82 6020 Innsbruck Austria
3. Institute of Medicinal and Pharmaceutical Chemistry Technische Universität Braunschweig Beethovenstr. 55 38106 Braunschweig Germany