1. a Institute of Pharmaceutical Chemistry, Karl-Franzens University of Graz , Universitätsplatz 1, Graz, A-8010, Austria
2. b Department of Analytical Chemistry , University of Pecs , Ifusag utica 6, Pecs, H-7624, Hungary
3. c Department of Analytical Chemistry , University of Pécs , Ifúság útca 6, Pécs, H-7624, Hungary
4. d Pharmaceutical Analysis Laboratory, Biological and Medical Research Department (MBC-03) , King Faisal Specialist Hospital and Research Centre , P.O. Box 3354, Riyadh, 11211, Saudi Arabia
5. e Pharmaceutical Analysis Laboratory, Biological and Medical Research Department (MBC-03) , King Faisal Specialist Hospital and Research Centre , P.O. Box 3354, Riyadh, 11211, Saudi Arabia