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The title compound, C10H6N4O4, has crystallographic Ci symmetry and is almost planar. Its crystal packing shows molecular tapes formed by C—H...O hydrogen bonds.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks lido, global

fcf

Structure factor file (CIF format)
Contains datablock lido

CCDC reference: 129319

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