1. Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
2. Department of Chemistry, COMSATS University Abbottabad, Pakistan
3. Department of Chemistry, University of Science and Technology, Bannu, Pakistan
4. Department of Botany, University of Science and Technology Bannu Pakistan
5. Department of Chemistry, Quaid-e-Azam University, Islamabad, Pakistan
6. Department of Chemistry, University of Gujrat, Hafiz Hayat Campus, Gujrat, Pakistan;
7. Department of Chemistry, University of Okara, Okara, Pakistan