Date Published: August 01, 2012
Publisher: International Union of Crystallography
Author(s): Xiaofei Li, Yan Tong.
In the title molecule, C13H15N3O9, the nitro groups are tilted with respect to the benzene mean plane by 22.8 (3) and 31.6 (3)°. The methoxy groups are in a cis orientation relative to the ring. In the crystal, molecules are linked by strong N—H⋯O hydrogen bonds into C(3) chains along .
For the biological activity of related compounds or for their use as prodrugs, see: Sykes et al. (1999 ▶). For hydrogen-bond motifs, see: Bernstein et al. (1995 ▶).