1. Institute of Medicinal and Pharmaceutical Chemistry
2. Technische Universität Braunschweig
3. 38106 Braunschweig
4. Germany
5. Department of Chemical Biology
6. Helmholtz Centre for Infection Research and German Centre for Infection Research (DZIF)
7. 38124 Braunschweig
8. Department of Pediatric Oncology
9. Children's Hospital Cologne
10. 50735 Cologne