Acta Cryst. (2008). E64, o2063 [ doi:10.1107/S1600536808031590 ]
Abstract: The molecule of the title compound, C12H16N2O5, adopts a trans configuration with respect to the C=N double bond. The dihedral angle between the benzene and hydrazinecarboxylic acid methyl ester planes is 12.55 (7)°. The molecules are linked into a chain along [001] by intermolecular N-HO hydrogen bonds, and the chains are cross-linked into a two-dimensional zigzag structure by C-HO hydrogen bonds.
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