1. Department of Chemistry, Bahauddin Zakariya University, Multan, 60800, Pakistan
2. Department of Chemistry, University of Arkansas at Little Rock, Little Rock, AR, 72204, USA
3. Department of Chemistry, Islamia University, Bahawalpur, Pakistan
4. Università degli Studi di Firenze, Polo Scientifico, Laboratorio di Chimica Bioinorganica, Rm, 188, Via della Lastruccia 3, 50019, Sesto Fiorentino (Florence), Italy