Question- Assign these peaks and create a structure tabular format. Isomers of 8 carbons 8 hydrogens 2 oxygen

1H:

1) 12.505 Int 1, 7.929-7.410 Int 2, 7.410-7.327 Int 1, 7.231 Int 1, 2.403 Int 3

2) 12.544 Int 1, 8.064-8.068 Int 1, 7.448-7.419 Int 1, 7.282-7.250 Int 2, 2.660 Int 3

3) 12.796 Int 1, 7.854-7.839 Int 2, 7.300 - 7.284 Int 2, 2.362 Int 3

13C

1) 177.82, 138.32, 134.63, 130.33, 129.31 128.40 127.41, 77 (impurity), 30.91, 21.25

2) 173.80, 141.43, 133.02, 131.98 131.67, 128.39, 125.9, 77 (impurity), 22.18

3) 167.77, 143.46, 129.79 129.56 128.52, 40.28-39 (Impurity), 21.56

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