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Acta Cryst. (2013). C69, 927-933  [ doi:10.1107/S0108270113017538 ]

Two polymorphs of N-(2-methoxyphenyl)-4-oxo-4H-chromone-3-carboxamide

L. R. Gomes, J. N. Low, F. Borges and F. Cagide

Synopsis: Two polymorphs of N-(2-methoxyphenyl)-4-oxo-4H-chromone-3-carboxamide crystallise in the monoclinic space group P21/c, each with two molecules in the asymmetric unit. The conformations of all four molecules are similar, the main differences being in their supramolecular interactions.

Formula: C17H13NO4 and C17H13NO4


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