Question

Molecular formula c 5 h 9 o 4 n, key ir signals: 1740, 1550 and 1372 cm 1 . 1h, q at 5.3 ppm, 2h, q at 4.4 ppm, 3h, d at 1.8 ppm and 3h, t at 4ppm.

Answer 1

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