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The title compound, C18H18Br2N2, is centrosymmetric with the mid-point of the central C-C bond of the butyl group located on an inversion center. The terminal benzene ring is approximately perpendicular to the central butyl plane [dihedral angle = 71.9 (8)°]. No hydrogen bonding or aromatic stacking is observed in the crystal.

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In the crystal of the title compound, C26H31N3O2, pairs of N—H...O hydrogen bonds link molecules, forming inversion dimers, which enclose an R22(20) ring motif. One N atom does not form hydrogen bonds and lies in a hydro­phobic pocket with closest inter­molecular contacts of 4.196 (2) and 4.262 (2) Å.
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