Institution: | 1. Department of Chemistry, Quaid-i-Azam University, Islamabad, 45320 Pakistan;2. Department of Chemistry, University of Science and Technology Bannu, Bannu, 28100 Pakistan;3. Department of Pharmaceutical Science, Abbottabad University of Science and Technology, Havelian Abbottabad, Pakistan;4. Department of Physics, University of Sargodha, Pakistan |