1. Institute of Biomolecular Chemistry
2. National Research Council (C.N.R.)
3. 95126 Catania
4. Italy
5. Laboratory of Photochemistry
6. Department of Drug Science
7. 95125 Catania
8. Alfa Intes ITS S.r.l.
9. 80026 Napoli
10. Department of Chemical, Biological, Pharmaceutical and Environmental Sciences
11. University of Messina
12. Messina 98168