1. a Faculty of Chemistry , Islamic Azad University , North Tehran Branch, Tehran , Iran
2. b Department of Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center , Tehran University of Medical Sciences , Tehran , Iran
3. c Medicinal and Natural Products Chemistry Research Center , Shiraz University of Medical Sciences , Shiraz , Iran
4. d Department of Pharmacology, Faculty of Medicine , Shiraz University of Medical Sciences , Shiraz , Iran