1. Department of Chemistry, Faculty of Science, South Valley University, Qena 83523, Egypt
2. Department of Medicinal Chemistry, Faculty of Pharmacy, South Valley University, Qena 83523, Egypt
3. Department of Chemistry, Faculty of Science, Sohag University, Sohag 82524, Egypt
4. Chemistry of Natural and Microbial Products Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, 33 El Buhouth St, Dokki, Giza 12622, Egypt