1. Centre for Analytical Chemistry, School of Chemistry, University of the Punjab, Lahore, Punjab, Pakistan
2. Centre for Inorganic Chemistry, School of Chemistry, University of the Punjab, Quaid-e-Azam Campus, Lahore 54590, Pakistan
3. Chemistry Department, Government College University, Lahore, Punjab, Pakistan
4. Chemistry Department, University of Management & Technology, Lahore, Punjab, Pakistan