[1] Univ Florence, Dept Chem Ugo Schiff, I-50019 Sesto Fiorentino, Italy
[2] Univ Cergy Pontoise, SOSCO, EA4505, F-95031 Cergy Pontoise, France
[3] CNR ISTM, I-35127 Padua, Italy
[4] Univ Padua, Dipartimento Sci Med & Chirurg, I-35128 Padua, Italy
[5] Univ Florence, Dept Pharmaceut Sci, I-50019 Sesto Fiorentino, Italy