The title mol-ecule, C(12)H(14)N(2)O(4), adopts a trans configuration with respect to the C=N double bond. The amino group is involved in an intra-molecular N-H⋯O hydrogen bond. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into doubled sheets parallel to the (101) plane.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3200973PMC
http://dx.doi.org/10.1107/S1600536811033988DOI Listing

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