科研之友
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摘要
In the crystal structure, the molecule of the title compound, C(14)H(16)N(2)O(6), is located on an inversion centre. The amide - NHCO - plane makes a dihedral angle of 34.08 (9)degrees with the benzene ring. The molecules are connected via intermolecular O-H center dot center dot center dot N hydrogen bonds into a two-dimensional network parallel to the bc plane. An intramolecular N-H center dot center dot center dot O hydrogen bond is also observed.
