There is a Compound called A with the formula C13H20N2O2. In the proton NMR two triplets at 2.8 and 4.3 are coupled to each other. Similarly, a triplet at 1.1 and a quartet at 2.6 are coupled to each other. the carbonyl group appearing at 1669 cm -1 in the IR spectrum has an unusually low value. Please provide the structure of A.

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NMR Spectroscopy

NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra of visible light and all bands of electromagnetic radiation is called spectroscopy.