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The title compound, C8H3Cl2NO2, has a single molecule in the asymmetric unit that is close to planar, with the non-H atoms having a mean deviation from planarity of 0.035 Å. The molecules dimerize through two N—H...O hydrogen bonds. A weak intermolecular offset π–π interaction is also observed between the five- and six-membered rings, with a centroid–centroid separation of 3.8444 (16) Å.doi:10.1107/s2414314616015108 fatcat:rejyh4jswveijbytzgcivuoi2e