Answer the question (s) for the compound whose 'H NMR spectra is shown below (Fig.1). The mass spectrum of this compound shows a molecular ion at m/z = 113, the

IR spectrum has characteristic absorptions at 2270 and 1735 cm1, and the 5C NMR spectrum has five signals. The compound includes N, O, C, and H elements. (a) Based on the mass spectral data and the IR data, what functional groups are present in this compound? (b) Describe the signal at 3.5 6, 4.35 6, and 1.3 in terms of its integration, splitting pattern andchemical shift. (c) Propose a structure for this compound.

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