title: N,N'-Diphenyl-9,10-dioxo-9,10-di-hydro-anthracene-2,7-disulfonamide.
abstract: The title mol-ecule, C26H18N2O6S2, has an overall Z-shaped conformation, in which the benzene rings are inclined to the anthra-quinone mean plane by 60.60 (9) and 50.66 (13)°. In the crystal, N-H⋯O and C-H⋯O hydrogen bonds link the mol-ecules into layers parallel to the bc plane.
authors.affiliation: Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, School of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, People's Republic of China.
authors.forename: Wei-Guan
authors.initials: WG
authors.lastname: Yuan
authors.forename: Hong-Ling
authors.initials: HL
authors.lastname: Zhang
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