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杨大松至尊木虫 (文坛精英)
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[求助]
求助微谱数据，谢谢
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溶剂氯仿，碳谱数据如下： 12.2,12.3,17.3,18.9,21.0,21.1,21.4,25.3,26.4,29.0,31.1,31.8,36.3,38.4,38.5,40.2,41.8,42.9,45.3,49.8,49.9,51.2,54.6,70.5,126.1,129.4,138.1,165.1,202.3 辛苦各位了，非常感谢。 |
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杨大松: 金币+15, ★★★★★最佳答案 2013-02-28 20:35:35
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2楼2013-02-28 19:20:54
