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