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 Chemistry and Biochemistry, Inorganic Chemistry; Freie Universität Berlin; Fabeckstraße 34-36 14195 Berlin Germany
3. Institute of Organic Chemistry; University of Innsbruck, Center for Chemistry and Biomedicine; Innrain 80-82 6020 Innsbruck Austria
4. Institute of Medicinal and Pharmaceutical Chemistry; Technische Universität Braunschweig; Beethovenstr. 55 38106 Braunschweig Germany