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Acta Cryst. (2012). E68, o3493
[ doi:10.1107/S1600536812048362 ]
Abstract: In the title molecule, C13H7N3O8, the phenyl and benzene rings are rotated from the mean plane of the central ester group by 18.41 (9) and 81.80 (5)°, respectively. The dihedral angle between the rings is 80.12 (14)°. In the crystal, molecules are linked by weak C-H
O interactions, forming helical chains along [010].
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