M+= 122 13C NMR Spectrum (100.0 MHz, CDCI, solution) 3340 expansion IR Spectrum solvent (liquid film) 135 130 ppm proton decoupled 4000 3000 2000 1600 1200 800 V (cm ) 200 160 120 80 40 0 8 (ppm) H NMR Spectrum expansion expansion (400 MHz, CDCl3 solution) expansion 3.9 3.8 ppm 2.9 2.8 ppm 7.3 7.2 ppm Exchanges with Do TMS 10 9 8 7 6 5 4 3 2 1 O 8 (ppm)