1. Department of Drug Sciences, Medicinal Chemistry Section, University of Catania, Viale A. Doria, 95125 Catania, Italy
2. Department of Drug Sciences, Chemistry Section, University of Catania, Viale A. Doria, 95125 Catania, Italy
3. Department of Drug Sciences, Biochemistry Section, University of Catania, Viale A. Doria, 95125 Catania, Italy