title: 4,6-Dinitro-benzene-1,3-diamine.
abstract: The mol-ecule of the title compound, C(6)H(6)N(4)O(4), is almost planar, being stabilized by two intra-molecular N-H⋯O hydrogen bonds. Further N-H⋯O links lead to a sheet in the crystal structure.
authors.forename: Tian
authors.initials: T
authors.lastname: Zhou
authors.forename: De-Fu
authors.initials: DF
authors.lastname: Han
authors.forename: Yong-Jun
authors.initials: YJ
authors.lastname: Hu