1. Department of Chemical Biology Max Planck Institute of Molecular Physiology 44227 Dortmund Germany
2. Faculty of Chemistry and Chemical Biology TU Dortmund University 44227 Dortmund Germany
3. Compound Management and Screening Center (COMAS) 44227 Dortmund Germany
4. Faculty of Chemistry and Inorganic Chemistry TU Dortmund University 44227 Dortmund Germany
5. School of Biological Sciences University of Auckland 1142 Auckland New Zealand
6. School of Physical and Chemical Sciences University of Canterbury 8041 Christchurch New Zealand