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13C NMR (126 MHz, CDCl3) δ 173.92, 173.88, 142.57, 142.52, 118.24, 118.20, 61.19, 61.17, 39.86, 39.39, 37.45, 37.38, 37.31, 34.41, 32.81, 32.68, 31.95, 31.94, 29.73, 29.71, 25.04, 22.71, 19.75, 19.74, 19.72, 19.71, 16.37, 16.35, 14.13, 14.10. 溶剂峰已除掉！！！谢谢 |
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