Date Published: August 01, 2012
Publisher: International Union of Crystallography
Author(s): Zai-Sheng Lu, Guong-Zhou Zhu, Han Lu, Xiang-Shan Wang.
In the title compound, C9H7NO6, the dihedral angles between the benzene ring and its three substituents are 29.99 (8)° for the nitro, 67.09 (8)° for the carboxy and 32.48 (10)° for the methoxycarbonyl group. In the crystal, one classical O—H⋯O and two nonclassical C—H⋯O contacts link adjacent molecules, forming a three-dimensional structure.
For the bioactivity of the title compound, see: Xu & He (2010 ▶). For related structures, see: Glidewell et al. (2003 ▶); Wang et al. (2006 ▶).