1. Department of Chemistry, Bahauddin Zakariya University, Multan, Pakistan
2. Department of Chemistry, Islamia University, Bahawalpur, Pakistan
3. HEJ Research Institute of Chemistry, International Centre for Chemical Sciences, University of Karachi, Karachi, 75270, Pakistan
4. University of Florence, Dipartimento di Chimica, Laboratorio di Chimica Bioinorganica, Via della Lastruccia 3, Rm. 188, Polo Scientifico, 50019, Sesto Fiorentino, Firenze, Italy