1. Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333CC Leiden, The Netherlands
2. Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, 56124 Pisa, Italy
3. Small Molecule X-ray Facility, Department of Chemistry, John Hopkins University, Baltimore, Maryland 21218, United States
4. Laboratory of Metals in Medicine (MetMed), Department of Chemistry ‘Ugo Schiff’, University of Florence, Via della Lastruccia 3, 50019 Sesto Fiorentino, Florence, Italy