1. Pharmacognosy Department Faculty of Pharmacy Cairo University Cairo Egypt
2. Pharmacognosy Department Faculty of Pharmacy Beni‐Suef University Beni‐Suef Egypt
3. Biochemistry Department National Organization for Drug Control and Research (NODCAR) Giza Egypt
4. Pharmaceutical Organic Chemistry Department Faculty of Pharmacy Beni‐Suef University Beni‐Suef Egypt