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北京石油化工学院2026年研究生招生接收调剂公告
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[求助] 维普数据查询,谢谢!

13C NMR (101 MHz, CDCl3) δ :57.65,110.18,123.34,152.43,161.07,177.95.
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魔力鸟: 金币+8, 有帮助 2013-03-14 10:47:03
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艰难困苦,玉汝于成。
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