1. Department of Chemical and Pharmaceutical Sciences; University of Trieste; Via Licio Giorgieri 1 34127 Trieste Italy
2. Consorzio Interuniversitario per la Reattività Chimica e la Catalisi CIRCC; Via Celso Ulpiani 27 70126 Bari Italy
3. ICCOM-CNR and INSTM Trieste; Via Licio Giorgieri 1 34127 Trieste Italy