Received 12 July 2012
aCollege of Pharmacy, Henan University of Traditional Chinese Medicine, Zhengzhou, 450008, People's Republic of China, and bSchool of Civil Engineering and Communication, North China University of Water Source and Electric Power, Zhengzhou 450011, People's Republic of China
Correspondence e-mail: firstname.lastname@example.org
In the title compound, C13H15N3O7, the dihedral angle between the amide plane (r.m.s. deviation = 0.008 Å) and the benzene ring is 33.2 (2)°. In the crystal, molecules are connected by N-HO=C hydrogen bonds, forming a chain along the b-axis direction.
Data collection: APEX2 (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: publCIF (Westrip, 2010).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: KP2434 ).
The author thanks North China University of Water Source and Electric Power for supporting this study.
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