1. Department of Chemistry, University of Malakand, Chakdara KP, Pakistan;
2. Department of Pharmacy, Shaheed Benazir Bhutto University, Sheringal, KP, Pakistan;
3. Department of Physics, University of Sargodha, Sargodha, Punjab, Pakistan;
4. HEJ Research Institute of Chemistry, International Center for Chemical and Biological Sciences (ICCBS) University of Karachi, Karachi, Pakistan