1. Department of Chemistry, Quaid-i-Azam University, Islamabad, 45320, Pakistan
2. Department of Chemistry, Allama Iqbal Open University, Islamabad-44000, Pakistan
3. Natural and Medical Sciences Research Centre, University of Nizwa, Birkat Almouz 616, Oman
4. Department of Biological Sciences & Chemistry, College of Arts and Sciences, University of Nizwa, Nizwa, Oman