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Èçͼ£¬Fig. 2 The one-dimensional ROESY spectrum of 1 (500 MHz, CDCl3) was used to monitor the spatial environment of the selectively excited protons. This method provided unambiguous assignments for signals of the sugar moieties. 1D NMR plot parameters: CX 35.00 cm, F1P 7.467 ppm, F1 3,734.22 Hz, F2P −0.41 ppm, F2 −210.47 Hz, PPMCM 0.22535 ppm/cm, HZCM 112.70542 Hz/cm¡£
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Fig. 2 The one-dimensional ROESY spectrum of 1 (500 MHz, CDCl3) was used to monitor the spatial environment of the selectively excited protons. This method provided unambiguous assignments for signals of the sugar moieties.
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