The title compound, C25H23N3O4S, was synthesized by tosylation of 3-(2,2′;6′,2′′-terpyridin-4′-yloxy)propan-1-ol. The dihedral angles formed by the substituent pyridine rings with the central ring are 4.27 (4) and 17.27 (5)°. The crystal packing is stabilized by intermolecular C—H⋯O hydrogen-bond interactions, with no stacking interaction between the aromatic rings.
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