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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. | CH3NHCOOCH2CH3 |
B. | CH3CH2NHCOOCH3 |
C. | CH3OCH2CONHCH3 |
D. | CH3CH2OCH2CONH2 |
Answer» B. CH3CH2NHCOOCH3 | |