1. Institute
of Organic Chemistry, Technical University Braunschweig, Hagenring
30, 38106 Braunschweig, Germany
2. Institute
of Inorganic and Analytical Chemistry, Technical University Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
3. Helmholtz Centre for Infection Research and German Center for Infection Research (DZIF), Inhoffenstraße
7, 38124 Braunschweig, Germany