1. Dipartimento di Chimica; Università degli Studi di Milano; Via C. Golgi, 19 20133 Milan Italy
2. Department of Experimental Pharmacology; National Institute of Oncology; Ráth György u. 7-9. 1122 Budapest Hungary
3. CNR; Istituto di Scienze e Tecnologie Molecolari (ISTM); Via C. Golgi, 19 20133 Milan Italy
4. Faculty of Science; Institute of Chemistry; Eötvös Loránd University; Pázmány Péter st. 1/A 1117 Budapest Hungary