1. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ataturk University, Erzurum, Turkey,
2. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mersin University, Mersin, Turkey,
3. Division of Pharmacology, School of Dentistry, Meikai University School of Dentistry, Sakado, Saitama, Japan,
4. Department of Chemistry, Faculty of Science, Ataturk University, Erzurum, Turkey,
5. Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia, and
6. Neurofarba Departmente Laboratorio di ChimicaBioinorganica, Universita degli Studi di Firenze, via U. Schiff 6, SestoFiorentino (Florence), Italy