1. SCIENT - Research Center for Instrumental Analysis, Tancabesti, Snagov, Romania
2. Department of Analytical Chemistry, Faculty of Chemistry, University of Bucharest, Bucharest, Romania
3. Department of Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, Bucharest, Romania
4. Pharmaceutical and Medicinal Chemistry Department, Pharmaceutical and Drug Industries Research Division, Dokki, Giza, Egypt