Structure Elucidation with the Help of 1H-NMR, 13C-NMR and Mass Spectroscopy

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Ans 1: Mass spectra showed the molecular ion peak at m/z = 164 which is an even number. So as per nitrogen rule, there may be an even or zero number of nitrogen in the molecule.
In this compound, if nitrogen present that must be even in numbers like 2, 4, 6…. or nitrogen may be absent.
Ans 2: A different number of hydrogen and carbon can be determined by the number of peaks in 1H NMR and 13C NMR respectively.
1H NMR showed four different environments of hydrogen, and 13C NMR showed seven different carbons....

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