1. Laboratory of Supramolecular Chemistry, Department of Chemistry and Biology “A. Zambelli”, University of Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Salerno, Italy
2. Centro di Eccellenza in Biocristallografia, Dipartimento di Scienze Chimiche e Farmaceutiche, Università di Trieste, Via L. Giorgieri 1, I-34127 Trieste, Italy
3. Department of Chemistry, M. V. Lomonosov Moscow State University, Lenin’s Hills 1, 119991 Moscow, Russia