Affiliation: | 1. Department of Organic and Industrial Chemistry, Università degli Studi, Via Venezian 21, 20133 Milano (Italy), Fax: (+39)?0250314159;2. Present address: Nerviano Medical Sciences, Viale Pasteur 10, 20014 Nerviano (Italy);3. Institute of Molecular Science and Technoligies, CNR, Via Golgi 19, 20133 Milano (Italy), Fax: (+39)?02?503?14159 |