a) inductive effect (誘導效應):. CH3F. CH3OH CH3Cl CH3Br CH3I CH3H TMS. (ppm) 4.06. 3.40. 3.05. 2.68. 2.16. 0.23. 0. X. 4.0. 3.5. 3.0. 2.8. 2.5. 2.1. 1.8 ...
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