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Acta Cryst. (2005). E61, o2109-o2111 [ doi:10.1107/S1600536805018167 ]
Abstract: The title compound, C15H14N2O4, exists as an enol-imine tautomer, in which a strong intramolecular O-H
N hydrogen bond is formed. This work verifies the preference for the enol-imine tautomeric form in the solid state.
Online 17 June 2005
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