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yixuetl木虫 (正式写手)
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[求助]
维普求助
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| 13C NMR (101 MHz, CDCl3) δ 77.34, 77.03, 76.71, 34.08, 31.95, 29.71, 29.61, 29.45, 29.39, 29.26, 29.07, 24.68, 22.72, 14.15. |
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