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Interpreting a 1H nmr spectrum II

60 MHz 1H NMR spectrum of a C7H8O5 lactone above its proposed structure, with integration ratios
The 60 MHz 1Hnmr spectrum of a C7H8O5 compound in DCCl3 solution is shown above. A possible structure for this compound is drawn above the spectrum.

Is this 1Hnmr spectrum consistent with the proposed structure?
Yes No