Acta Cryst. (2001). E57, o645-o647 [ doi:10.1107/S1600536801010236 ]
Abstract: The title compound, C12H7BrN2O, is a 2-bromo, N6-oxide derivative of the ligand benzo[c]cinnoline. The benzo[c]cinnoline skeleton is nearly planar. The dihedral angle between the two benzenoid rings is 2.1 (1)°.
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