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organic compounds
In the cation of the title compound, C16H18NO2+.BF4−, the pyridyl ring makes a dihedral angle of 12.4 (6)° with the phenyl ring. The cations are packed in an anti-parallel fashion along the a axis through pπ—pπ and dipole-dipole interactions and form layers through C—HO hydrogen bonds. The anions are located between the layers.