The correct structure of the compound based on the following characteristic spectral data is IR : 1736 cm^-1

¹H NMR : δ 3.59 (s, 3H), 3.32 (t, 2H), 2.25 (t, 2H), 1.85-1.75 (m, 2H), 1.73-1.62 (m, 2H)

¹³C NMR : δ 174.0, 51.0, 32.9, 32.9, 32.8, 31.0, 23.0

The correct structure of the compound based on the following characteristic spectral data is IR : 1736 cm-1 1H NMR : δ 3.59 (s, 3H), 3.32 (t, 2H), 2.25 (t, 2H), 1.85-1.75 (m, 2H), 1.73-1.62 (m, 2H) 13C NMR : δ 174.0, 51.0, 32.9, 32.9, 32.8, 31.0, 23.0