Question#10\ An unknown compound

D

exbibits a strong absorption in its IR spectrum at

1692cm^(-1)

. The mass spectrum of

D

shows a molecular ion at

(m)/(z)=150

and a base peak at 121 . The

^(1)H

NMIR spectrum of

D

is shown below. What is the structure of

D

?

Question\#10 An unknown compound D exbibits a strong absorption in its IR spectrum at 1692cm1. The mass spectrum of D shows a molecular ion at m/z=150 and a base peak at 121 . The 1H NMR spectrum of D is shown below. What is the structure of D