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The title compound, C13H10N4O3, is planar and exists in the keto tautomeric form. The crystal packing is stabilized by weak intermolecular hydrogen bonds involving the N3...N4 and C2...O1 atoms of neighbouring molecules.

Supporting information


Crystallographic Information File (CIF)
Contains datablocks zai21, global


Structure factor file (SHELXL table format)
Supplementary material

CCDC reference: 130825

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