1. Faculty of Science, Department of Chemistry, Ataturk University, Erzurum, Turkey,
2. Faculty of Science and Arts, Department of Chemistry, Kafkas University, Kars, Turkey,
3. Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia,
4. Dipartimento di Chimica Ugo Schiff, Università degli Studi di Firenze, Sesto Fiorentino (Firenze), Italy, and
5. Neurofarba Department, Section of Pharmaceutical and Nutriceutical Sciences, Università degli Studi di Firenze, Sesto Fiorentino (Florence), Italy