H NMR 282262524232222品19116154112 1 5.5 C NMR 力gem8spm2 20的00050w0200000的020动260 3 3 5 1H NMR 6 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 Chemical Shift (ppm) 178.27 169.96 169.63 140.97 123.16 80.23 77.27 77.02 76.77 75.32 62.55 61.15 45.59 40.32 30.42 28.77 21.15 20.88 12.74 12.57 10.63 170.00169.50 Chemical Shif... 169.96 169.63 80 79 78 77 76 Chemical Shift (ppm) 80.23 78.56 77.27 77.02 76.77 75.32 20 18 16 14 12 Chemical Shift (ppm) 21.15 20.88 12.74 12.57 10.63 13C NMR