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Four sets of spectra, lettered A-D, are provided for you. Using all that you have learned so far, analyze the IR,1H NMR, and13C NMR spectra and propose reasonably plausible structures

based on the given empiricalformulas. The MS spectra are provided as well to help you along your way but are not required in generatingthe various structures. You must show all work (e.g peak assignments, functional groups from the IRspectra, types of protons from 1H NMR, carbon environments from 13C NMR) in order to receive full credit.Showing structures alone will result in zero credit.

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