微谱求助化合物？

13C NMR (151 MHz, PYRIDINE-D5) δ 140.64, 121.58, 109.09, 102.51, 102.25, 80.91, 77.99, 76.97, 76.51, 75.37, 73.83, 72.64, 72.47, 70.19, 66.66, 62.65, 61.28, 56.44, 50.04, 49.50, 41.77, 40.25, 39.66, 39.09, 37.23, 36.85, 32.06, 31.99, 31.60, 31.43, 30.41, 30.00, 29.06, 20.92, 19.21, 18.40, 17.16, 16.20, 14.89. 显示全部