1. Department of Chemistry, Bahauddin Zakariya University, Multan, -60800, Pakistan
2. Department of Pharmacy, University of Sargodha, Sargodha, Pakistan
3. Department of Chemistry, The Islamia University of, Bahawalpur, Pakistan
4. H.E.J.Research Instuitute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan