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1. Assign relevant peaks in the 1H NMR, 13C NMR and IR on the spectra. Ensure to also indicate relative integration in your 1H NMR. Draw the compound structure on all spectra, include appropriate titles for the spectra and clearly label peaks corresponding to the solvents, impurities and standard (i,e. TMS).

2. Propose a chemical structure for the unknown compound in the box below.

BRUKER 3500 3341 47 3000 NNN OOO OO ONNNN 6)SINOON 00 2500 Wavenumber cm-1 2000 2093.69 2003.09 1947.79 1877.91 1674.58 1601.99 1500 1493.00 1450.18 1368.15 1284.29 1203 15 1000 OOO ON 1009.67 996.41 897.27 845.57 20.04 696.49 605.34 538.29 487.46 500 200 150 146 234 128 245 127 011 125.563 100 69 699 50 25. 216 O PPM o N o 00 7.282 7.252 1.87 4.876 4.806 4.733 4.660 2.898 N 1.442 1.370 8 0.011 OPPM