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In the title compound, C6H7N3O2·H2O, all atoms of 2-ureidopyridine N-oxide molecule are approximately coplanar and adjacent molecules are connected by strong hydrogen bonds, resulting in a three-dimensional network. [ABSTRACT FROM AUTHOR]

The title complex, [Cu(C7H2N2O7)(C4H8N2O2)(H2O)], is a mononuclear copper(II) compound. The CuII ion is five-coordinated in a distorted pyramidal geometry by two N atoms from one dimethylglyoxime molecule, two O atoms from one 3,5-dinitro-2-oxidobenzoate ligand and one O atom from a water molecule. Strong hydrogen bonds connect adjacent molecules into a three-dimensional network. [ABSTRACT FROM AUTHOR]

The title complex, [Co(C12H8N2)(H2O)4](C10H6O6S2)·2H2O, was synthesized hydrothermally. The Co2+ cation, which lies on a twofold rotation axis, is six-coordinate. The anion is located on a centre of inversion. An extensive network of O—H⋯O hydrogen bonds links the components into a threedimensional network. [ABSTRACT FROM AUTHOR]