Use the following data to determine the structure of the unknown. Write directly on each spectrum and show how the data supports the structure.

100 M+ = 106, 108 80 60 Relative Intensity 40- 20 0 10 20 30 40 50 70 80 90 100 110 60 m/z 100 Wong FIRLEIS 50 4000 3000 2000 1500 1000 500 MAVENUMBERS 200 180 160 140 120 100 80 60 40 20 0 ppm d = 7 Hz) 9 0 = 7 Hz) 1H 3H 3H - 3 11 10 9 00 7 6 5 4 3 2 1 0 ppm