1. Department of Chemistry, College of Science Tikrit University Tikrit Iraq
2. Kirkuk Education Directorate Ministry of Education Kirkuk Iraq
3. Department of Anesthesia Al‐Qalam University Kirkuk Iraq
4. Deanship of Scientific Research, College of Science Imam Mohammad Ibn Saud Islamic University Riyadh Riyadh Saudi Arabia
5. Department of Chemistry, College of Science Imam Mohammad Ibn Saud Islamic University Riyadh Riyadh Saudi Arabia
6. Department of Toxic and Narcotic Drug, Forensic Medicine, Mansoura Laboratory, Medicolegal Organization Ministry of Justice Mansoura Egypt