Acta Cryst. (2013). E69, o1580 [ doi:10.1107/S1600536813025518 ]
Abstract: In the title molecule, C21H18N2O3, the pyridine rings make a dihedral angle of 13.1 (1)°. The phenyl ring is approximately perpendicular to both of them, forming dihedral angles of 87.4 (1)and 81.9 (1)°. In the crystal, pairs of O-HN hydrogen bonds link the molecules into centrosymmetric dimers. Additional C-HO, - [centroid-centroid distance = 3.971 (2) Å] and C-H interactions consolidate the dimers into a three-dimensional network.
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