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13C NMR (126 MHz, CDCl3) δ11.86,11.98,18.78,19.03,19.40,19.83,21.08,23.05,24.31,26.03,28.25,29.12,31.67,31.90,31.91,33.93,36.15,36.50,37.25,39.76,42.32,45.82,50.12, 56.04,56.76,71.81,121.73,140.75 . |
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