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In the title compound, C7H9NO2, all non-H atoms are essentially coplanar [r.m.s. deviation = 0.032 Å]. The largest deviation from the plane of the pyridine ring is 0.105 (6) Å for the terminal C atom of the ethoxy group. In the crystal, molecules are linked by pairs of N—H
O hydrogen bonds, forming inversion dimers. These dimers are further linked by C—Hπ interactions and weak π–π interactions between pyridine rings [centroid–centroid distance = 4.023 (1) Å].
O hydrogen bonds, forming inversion dimers. These dimers are further linked by C—Hπ interactions and weak π–π interactions between pyridine rings [centroid–centroid distance = 4.023 (1) Å].
