1. Peptide Chemistry Research Institute, K. N. Toosi University of Technology, P.O. Box 15875-4416, 19697 Tehran, Iran
2. Medical Biology Research Center, Kermanshah University of Medical Sciences, 6715847141 Kermanshah, Iran
3. Organisch-Chemisches Institut der Universität Heidelberg, Im Neuenheimer Feld 270, D-69120 Heidelberg, Germany
4. Department of Environmental Sciences, Faculty of Natural Resources and Marine Sciences, Tarbiat Modares University, 46417-76489 Tehran, Iran