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Two compounds, each having the formula C3H5NO, have the IR data summarized here. What are their structures? In what ways would 13C NMR data help?
(a) One sharp band above 3000 cm–1 and one strong band at about 1700 cm–1
(b) Two sharp bands above 3000 cm–1 and two bands between 1600 and 1700 cm–1