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.'.一些常见基团质子的化学位移值ChemicalShiftValuesofProtoninSomeCommonGroups常见基团质子化学位移（δ）常见基团质子化学位移（δ）RCH3R2CH3R3CHRCH2ClRCH2BrRCH2IR-O-CH3R-O-CH2-CH3R-O-(CH2)2CH3C=C-HCHCAr-HC=C-CH3CCH3C0.91.31.53.5~4.03.0~3.72.0～3.53.2～3.51.2～1.40.9～1.15.0～5.32.56.5～8.01.71.8Ar-CH3OCRCH3OCROCH3R-O-HAr-O-HOCRHOCROHR-HN2Ar-NH2R2N-CH32.32.23.63.0~6.06.0~8.09.0~10.010.5~11.51.0~4.03.0~4.52.2