1. Department of Pharmaceutical Sciences
2. Perugia University
3. 06123 Perugia
4. Italy
5. Department of Chemistry
6. Biology and Biotechnologies
7. Laboratorio di Risonanza Magnetica “Annalaura Segre”
8. Istituto di Metodologie Chimiche
9. CNR
10. 00016 Monterotondo Scalo (RM)