1. Department of Toxic and Narcotic Drug, Forensic Medicine, Mansoura Laboratory, Medicolegal Organization, Ministry of Justice, Egypt
2. Department of Chemistry, Science College, Al Imam Mohammad Bin Saud Islamic University, (IMSIU), P.O Box 90950, Riyadh 11623, Saudi Arabia
3. Department of Chemistry, Faculty of Science, Mansoura University, P.O. Box 70, Mansoura, Egypt