1. Department of Pharmacy, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
2. Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark
3. Division of Pharmaceutical Chemistry and Technology, University of Helsinki, Viikinkaari 5, 00790 Helsinki, Finland
4. Deutsches Elektronen-Synchrotron (DESY), Notkestrasse 85, D-22607 Hamburg, Germany