title: Diethyl 4,4'-(diazenediyl)dibenzoate.
abstract: The full mol-ecule of the title compound, C(18)H(18)N(2)O(4), is generated by the application of an inversion centre. There are strong π-π inter-actions between adjacent mol-ecules with a centroid-centroid distance of 3.298 (2)Å.
authors: Department of Chemistry and Environmental Engineering, Anyang Institute of Technology, Henan 455000,  People's Republic of China.
authors: Yongsheng
authors: Y
authors: Niu
authors: Jianping
authors: J
authors: Huang
authors: Chunpu
authors: C
authors: Zhao
authors: Pan
authors: P
authors: Gao
authors: Youzhu
authors: Y
authors: Yu