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[求助]
溶剂为氘带甲醇 已有1人参与
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| 13C-NMR从大到小排列为：168.4,149.9,148.1,147.0,146.3,144.8,131.6,127.8,123.3,121.4,117.3,116.7,116.4,115.4,114.8,107.6,104.3,102.1,82.9, 82.5,76.2,76.1,74.5,74.4,73.0,72.4,72.1, 70.7,70.5,70.0, 67.4, 62.5,36.7,18.6 |
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