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The title compound, C 26 H 18 BrNO 4 , features a functionalized chromene. The cyclo­hexene ring adopts a sofa conformation and has the nitro group and the bromo­phenyl ring in an axial position. The ten atoms of the chromene moiety lie close to a common plane (r.m.s. deviation = 0.066 Å). The attached phenyl ring is twisted by 32.89 (10)° from the chromene plane. The crystal packing is stabilized by C—H⋯O inter­actions.

(9R,10R,10aR)-9-(2-Bromophenyl)-10-nitro-6-phenyl-10,10a-dihydro-9H-benzo[c]chromene-8-carbaldehyde