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A compound with molecular formula C4H6O4 produces a broad signal between 2500 and 3600 cm-1 in...

A compound with molecular formula C4H6O4 produces a broad signal between 2500 and 3600 cm-1 in its IR spectrum and produces two signals in its 1H NMR spectrum (a singlet at 12.1 ppm with a relative integration of 1 and a singlet at 2.4 ppm with a relative integration of 2). Draw the structure of the compound.

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