[1] Ataturk Univ, Dept Pharmaceut Chem, Fac Pharm, Erzurum, Turkey
[2] Meikai Univ Sch Dent, Div Pharmacol, Sakado, Saitama, Japan
[3] Ataturk Univ, Dept Chem, Fac Sci, Erzurum, Turkey
[4] King Saud Univ, Coll Sci, Dept Zool, Riyadh, Saudi Arabia
[5] Ataturk Univ, Dept Physiol, Fac Med, Erzurum, Turkey
[6] Univ Firenze, Neurofarba Dept, Lab Chim Bioinorgan, Florence, Italy