1. Department of Chemistry, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, I. R. Iran
2. School of Pharmacy, Pharmaceutical Research Center, Mashhad University of Medical Sciences, BuAli Square, Mashhad, I. R. Iran
3. Deptartment of Pharmacology, School of Medicine, Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad, I. R. Iran