1. The Hashemite University, Faculty of Pharmaceutical Sciences, Department of Pharmaceutical Chemistry, P.O. Box 330127, Al-Zarqa 13133, Jordan
2. The Hashemite University, Faculty of Science, Department of Chemistry, P.O. Box 150459, Al-Zarqa 13115, Jordan
3. The University of Jordan, Faculty of Pharmacy, Department of Pharmaceutics and Pharmaceutical Technology, P.O. Box 340496, Amman 11134, Jordan