摘要：(1)C12H14O6.BrCH2-CH2Br (2)4, (3)NaOH的醇溶液, (4)①②⑦⑧ (5)⑤CH3CH2Br CH2=CH2↑+HBr↑, 若CH3CH2Br+NaOH CH2=CH2↑+NaBr+H2O ⑧

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