A hydrocarbon with an exact molecular mass of 96.0940 exhibits the following spectroscopic data: 1H NMR δ = 1.3 (m, 2 H), 1.7 (m, 4 H), 2.2 (m, 4 H), and 4.8 (quin, J = 3 Hz, 2 H) ppm; l3C NMR 8 = 26.8, 28.7, 35.7, 106.9, and 149.7 ppm. The IR spectrum is shown below (spectrum G). Hydrogenation furnishes a product with an exact molecular mass of 98.1096. Suggest a structure for the compound consistent with these data.

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100 0 3072 1649 IR 4000 3500 3000 2500 20005001000 600 cm-1 Wavenumber