catena-poly(((di-2-pyridylamine-kappaN(2))-(mu2-4-nitrobenzoato-kappa(2)O-O')disilver(I)(Ag-Ag))-mu3-4-nitrobenzoato-kappa(3)O-O'-O')
catena-poly(((di-2-pyridylamine-kappan(2))-(mu2-4-nitrobenzoato-kappa(2)o-o')disilver(i)(ag-ag))-mu3-4-nitrobenzoato-kappa(3)o-o'-o')