1. M. Ahmad:
Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Lahore, Pakistan; Institute of Chemistry, University of Punajb, Lahore, Pakistan
2. S. Hussain:
Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Lahore, Pakistan; Institute of Chemistry, University of Punajb, Lahore, Pakistan
3. Naheed Arshad:
Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Lahore, Pakistan; Institute of Chemistry, University of Punajb, Lahore, Pakistan
4. Abdur-Rahman:
Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Lahore, Pakistan; Institute of Chemistry, University of Punajb, Lahore, Pakistan