1. Department of Chemistry, Kohat University of Science and Technology, Kohat, 26000, Pakistan
2. Pakistan Council of Scientific and Industrial Research Laboratories Complex, Jamrud RoadPeshawar, Pakistan
3. Gandhara College of Pharmacy, Gandhara University, Peshawar, N.W.F.P, Pakistan
4. Department of Chemistry, Jehanzeb Postgraduate College, Swat, Pakistan
5. Department of Chemistry, Islamia University, Bahawalpur, Pakistan