Please find the structure of the unknown compound. Make sure to use all of rhe information provided, label peaks identify, and explain each answer from all steps.

Elemental Analysis:

H$,4\mathrm{.}75$

N$,8\mathrm{.}26$

O$,9\mathrm{.}43$

C$,56\mathrm{.}65$

Spectral Data:

singlet$,168\mathrm{.}2ppm$

singlet$,138\mathrm{.}9ppm$

singlet$,129\mathrm{.}4ppm$

doublet, $129\mathrm{.}1ppm$

doublet, $121\mathrm{.}8ppm$

quartet, $17\mathrm{.}6ppm$

Structure: