1. Pharmaceutical
and Medicinal Chemistry, Saarland University, Campus C2.3, D-66123 Saarbrücken, Germany
2. Department
of Pharmaceutical Chemistry, Faculty of Pharmacy and Biotechnology, German University in Cairo, Cairo 11835, Egypt
3. Pharmaceutical
Biology, Saarland University, Campus C2.2, D-66123 Saarbrücken, Germany