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13C NMR (126 MHz, DMSO) δ 11.71,11.82,11.88,12.16,18.65,18.88,18.97,19.14, 19.75,20.63,20.97,21.14,22.43,22.64,22.70, 23.90,24.90,25.46,27.42,27.83,28.73,29.29,31.41,31.46,33.37,35.51,36.25,36.86,38.33,41.78,41.89,45.17,47.72,47.89,49.64,50.62,55.46,56.21,56.30,61.13,70.14,73.50,76.78,76.95,100.80,121.26,128.86,138.08,140.49. |
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