Propose a structure for the compound that has the following spectra: NMR: 81.28 (3H, t, J = 7 Hz); 8 3.91 (2H, q, J = 7 Hz): 85.0 (1H. d. J=4 Hz); 86.49 (1H. d. J= 4 Hz) ppm IR: 3100, 1644 (strong), 1104, 1166, 694 cm (strong) -1 no IR absorptions in the i range 700-1100 cm or above 3100 cm- Mass spectrum: m/2 = 152, 150 (equal intensity; double molecular ion) Draw the compound. Select Draw Rings More Erase C H Br 0 |||||