1. Department
of Chemistry and Pharmacy, Medicinal Chemistry, Emil Fischer Center, Friedrich Alexander University, Schuhstraße 19, 91052 Erlangen, Germany
2. Faculty
of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, Slovenia
3. Optical
Imaging Center Erlangen, Friedrich Alexander University, Hartmannstraße
14, 91052 Erlangen, Germany
4. Department
of Chemistry and Pharmacy, Bioorganic Chemistry, Friedrich Alexander University, Egerlandstraße 1, 91058 Erlangen, Germany
5. Department
of Neuroscience and Pharmacology, Laboratory for Molecular Pharmacology,
Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, DK-2200 Copenhagen N, Denmark