1. Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy Port‐Said University Port‐Said Egypt
2. Institute of Medicinal and Pharmaceutical Chemistry Technische Universitaet Braunschweig Braunschweig Germany
3. Natural and Medical Sciences Research Center University of Nizwa Nizwa Sultanate of Oman
4. Pharmaceutical Analytical Chemistry Department Faculty of Pharmacy Al‐Azhar University Assiut Egypt