Question: Compound A, MW = 86, shows an IR absorption at 1730 cm1 and a very simple 1H NMR spectrum with peaks at 9.7 (1

Compound A, MW = 86, shows an IR absorption at 1730 cm–1 and a very simple 1H NMR spectrum with peaks at 9.7 δ (1 H, singlet) and 1.2 δ (9 H, singlet). Propose a structure for A.

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