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6-[(2-Hydroxy-5-methylanilino)methylidene]-4-nitrocyclohexa-2,4-dien-1-oneBöhme, Uwe, Fels, Sabine 14 January 2022 (has links)
The title compound, C14H12N2O4, is nearly planar with a dihedral angle between the aromatic rings of 1.41 (8)°. The phenolic O atom is deprotonated and the N atom of the azomethine unit carries the proton, thereby forming an intramolecular N—H...O hydrogen bond. In the crystal, the molecules form inversion dimers via pairwise O—H...O hydrogen bonds.
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