1. 1School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
2. 2Department of Chemistry, College of Education for Pure Science, Diyala University, Diyala, Iraq
3. 3School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
4. 4Cornea Research Chair, Department of Optometry, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia
5. 5Department of Chemistry, College of Education (Ibn Al-Haitham) for Pure Science, Baghdad University, Baghdad, Iraq
6. 6Department of Chemistry, College of Science, Al-Nahrain University, Baghdad 64021, Iraq