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100 MS-NU-0441 80 so Molecular ion = 116 Relative Intensity 40 20- o tromitente 10 20 30 40 50 80 90 100 110 120 60 70 m/z FTIR NEAT 100 90 nom 80 70 60 29390 13035 13711 12554 1927 10054 50 29619 40 30 20 11000 17395 10 4500 4000 3750 3500 SELLENTETT 2250 3000 2750 2500 200 150 1500 2 resonances 200 180 160 140 120 100 80 60 40 0 20 CDS-63-227 ppm 300 MHz H NMR In CDCU 3H, J. 6.8 Hz 3H, J = 7.2 HE 2H, J = 6.8 Hz 2H, 1-7.2 HE 2H, J = 7.2 HE Molecular Formula: Degree of Unsaturation (If calculated): Analysis of infrared (IR) spectrum: Observations (absorptions in cm-1) Inferences (Functional Groups) Analysis of 13C-NMR spectrum: Inference as to Symmetry Number of Types of Carbon Atoms: Observations (ppm) Inferences (e.g. C=0, sp' C, etc)