Experimental and theoretical study of two-photon absorption in nitrofuran derivatives: promising compounds for photochemotherapy - De Boni, Leonardo; Correa, D. S.; Silva, D. L.; Gonçalves, P. J.; Zílio, Sérgio Carlos; Parra, Gustavo G.; Borissevitch, Iouri; Canuto, Sylvio Roberto Accioly; Mendonça, Cleber Renato (Journal of Chemical Physics, 2011)