International Union of Crystallography, Acta Crystallographica Section E: Structure Reports Online, 9(68), p. o2737-o2737, 2012
DOI: 10.1107/s1600536812035313
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The crystal structure of the title compound, C8H9NO3, is characterized by a complex three-dimensional hydrogen-bond network in which every molecule is connected to six symmetry-related neighbours.