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lijinqiang

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碳谱数据如下：
13C NMR (101 MHz, MeOD) δ.
38.76,55.72,56.65,68.58,69.34,87.62,97.22,102.25,108.87,113.55,115.32,116.83,117.15,120.50,123.32,126.46,130.34,150.47,153.17,160.96,170.61,174.49,199.24.

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