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III. (10 pts.) Propose a specific structure for the following data set. If you cannot deduce a specific structure, please assign as many spectral signals as possible. SHOW YOUR REASONING (no credit for structure alone). C6H12O2 IR 1732cm1 (strong) 1H NMR 4.10ppm,q(2H) 2.49ppm, septet (1H) 1.22ppm,t(3H) 1.12 ppm, d (6H)