1. Biomolecular Science Department; Organic Chemistry and Organic Natural Compounds Section; University of Urbino “Carlo Bo”; Via I Maggetti 24 61029 Urbino (PU) Italy
2. Naxospharma; Via Giuseppe Di Vittorio 70 20026 Novate Milanese (MI) Italy
3. Department of Chemistry; University of Siena; Via Aldo Moro 53100 Siena Italy