1.

Which of the following 1H-NMR spectrum of compound with molecular formula C4H9NO2 shows delta 5.30 (broad, IH), 4.10(q, 2H), 2.80 (d, 3H), 1.20 (t, 3H) ppm?

A. CH<sub>3</sub>NHCOOCH<sub>2</sub>CH<sub>3</sub>
B. CH<sub>3</sub>CH<sub>2</sub>NHCOOCH<sub>3</sub>
C. CH<sub>3</sub>OCH<sub>2</sub>CONHCH<sub>3</sub>
D. CH<sub>3</sub>CH<sub>2</sub>OCH<sub>2</sub>CONH<sub>2</sub>
Answer» B. CH<sub>3</sub>CH<sub>2</sub>NHCOOCH<sub>3</sub>


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