IR Spectrum 1666 a b cd IR Spectrum (liquid film) 4000 3000 1200 800 2000 1600 V (cm) 'H NMR Spectrum: TH NMR Spectrum (200 MHZ. CUCI Solution) expansion K 9 10 75 70 CN h 2 3 6.5 pm TMS 10 1 7 9 8 6 5 4 3 2 1 1 0 8 (ppm) MS Spectrum: 100 135 Mass Spectrum 80 60 % of base peak 40 20 107 M+ 192 40 80 240 280 120 160 200 13C NMR Spectrum: 220 200 180 160 140 120 100 PPM 80 60 40 20 (a) Based on the provided spectra, provide the structural formula for Compound II. (2m)