1. Department of Drug
Sciences, Medicinal Chemistry and Technology Section, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy
2. Department of Drug
Sciences, Pharmacology Section, University of Pavia, Via Taramelli
14, 27100 Pavia, Italy
3. Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 7, NL-9747
AG Groningen, The Netherlands