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From the molecular formula, the compound has "1 degree of unsaturation" (one double bond or ring).
Click here for a review on proton NMR.
Click here to view a 1H NMR correlation table.
The proton NMR has three peaks; a quartet at 
4.1 (2H), a triplet at 1.2 (3H) and a singlet at 1.97 (3H). The quartet and triplet suggest a CH2 coupled to a CH3 in an ethyl group. The peak at 4.1 is in the area generally observed for CH groups adjacent to electronegative groups, i.e., oxygen. The peak at 2 is in the region for a methyl group adjacent a carbonyl.
