1. Department of Chemistry, Government College University Faisalabad, 38000-Faisalabad, Pakistan
2. Department of Applied Chemistry, Government College University Faisalabad, 38000-Faisalabad, Pakistan
3. London Metropolitan University, 166-220 Holloway Road, London N7 8DB, UK
4. Department of Biochemistry, Government College University Faisalabad, 38000-Faisalabad, Pakistan
5. Department of Chemistry, Islamia College University Peshawar, Peshawar 25120, Pakistan
6. Department of Chemistry, University of Houston, 3585 Cullen Boulevard, Texas 77204-5003, USA
7. Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia