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感谢大家
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麻烦大家帮忙看一下！谢谢谢谢 1H NMR (300 MHz, DMSO) δ 12.50, 7.68, 7.55(1H,d,J=6.5Hz), 7.53, 6.89(1H,d,J=8.5Hz), 6.41, 6.18, 3.16 13C NMR (75 MHz, DMSO) δ 175.87, 163.92, 160.75, 156.17, 147.73, 146.83, 145.09, 135.76, 121.99, 120.01, 115.64, 115.09, 103.04, 98.22, 93.39, 48.64.    发自小木虫Android客户端 |
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