1. Normandie Univ. UNILEHAVRE FR 3038 CNRS URCOM 76600 Le Havre EA 3221 INC3 M CNRS-FR 3038 UFR ST BP:1123 25 rue Philipe Lebon 76063 Le Havre Cedex France
2. Université de Nouakchott Al-Aasriya Nouakchott Mauritanie UCME BP 5026 Nouakchott Mauritanie
3. Organometallic and Organometalloid Chemistry Department National Research Centre 33 ElBohouth St., Dokki, P.O. 12622 Cairo Egypt
4. Department of Pharmacognosy Faculty of Pharmacy Ain-Shams University 11566 Cairo Egypt
5. Pharmaceutical Biology Departments Faculty of Pharmacy and Biotechnology German University in Cairo Cairo Egypt
6. Department of Inorganic Chemistry Faculty of Chemical & Food Technology Slovak University of Technology Radlinského 9 SK-81237 Bratislava Slovakia