title: 2,4-Dichloro-benzaldehyde 2,4-dinitro-phenyl-hydrazone.
abstract: The asymmetric unit of the title compound, C(13)H(8)Cl(2)N(4)O(4), contains two independent but similar and almost planar mol-ecules. An intra-molecular N-H⋯O hydrogen bond is observed in each mol-ecule.
authors.affiliation: Department of Applied Chemistry, College of Sciences, Henan Agricultural University, Zhengzhou 450002, People's Republic of China.
authors.forename: Feng-Yu
authors.initials: FY
authors.lastname: Bao