Acta Cryst. (2013). E69, o28 [ doi:10.1107/S1600536812045989 ]
Abstract: In the title compound, C14H12ClN3O2, the acylhydrazone base [C(=O)-N-N=C] is essentially planar, with an r.m.s. deviation of 0.0095 Å, and makes a dihedral angle of 12.52 (10)°with the pyridine ring. In the crystal, molecules are linked via pairs of N-HO hydrogen bonds, forming inversion dimers with an R22(8) graph-set motif. The dimers are linked via C-H interactions forming chains along .
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