1. Department of Medicinal Chemistry, The Danish University of Pharmaceutical Sciences, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark, Lica Pharmaceuticals, Fruebjergvej 3, DK-2100 Copenhagen Ø, Denmark, Department of Clinical Microbiology, 7602 Copenhagen University Hospital, Tagensvej 20, DK-2200 Copenhagen N, Denmark, and Department of Natural Sciences, The Royal Veterinary and Agricultural University, Bülowsvej 17, DK-1870 Frederiksberg C, Denmark