New copper-based complexes with quinoxaline 'N POT.1', 'N POT.4'-dioxide derivatives, potential antitumoral agents - Urquiola, Carolina; Gambino, Dinorah; Cabrera, Mauricio; Lavaggi, María Laura; Cerecetto, Hugo; González, Mercedes; Cerain, Adela López de; Monge, Antonio; Costa Filho, Antonio José da; Torre, María H. (Journal of Inorganic Biochemistry, 2008)