1. Chemical, Pharmacological and Galenic Development Laboratory, Faculty of PharmacyUniversity of Monastir Avenue Avicennne 5000 Monastir Tunisia
2. Laboratory of Separation Sciences, Department of Organic ChemistryGent University Krijgaslaan 281S4 bis B-9000 Gent Belgium
3. INGREF, BP n.2 2080 Ariana Tunisia