1. Institute for Organic Chemistry, Leibniz University Hannover, Schneiderberg 1b, 30167 Hannover, Germany
2. Centre of Biomolecular Drug Research (BMWZ), Schneiderberg 38, 30167 Hannover, Germany
3. Helmholtz Centre for Infection Research GmbH (HZI), Inhoffenstraße 7, 38124 Braunschweig, Germany