1. Department of Medicinal Chemistry, College of Clinical Pharmacy, Albaha University, Albaha, KSA
2. Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL, USA
3. Department of Pharmacognosy, College of Clinical Pharmacy, Albaha University, Albaha, KSA
4. Pharmacognosy Department, Faculty of Pharmacy, Aden University, Aden, Yemen
5. Department of Bio-organic Chemistry, Leibniz Institute of Plant Biochemistry, Halle/Saale, Germany