b. CH31 OH La CH Br: H₂C-CH₂ +HO: C. CHỊCH,O: CH-Br Br HO: d. CH,CH,CH-CH₂Br H b. CH31 OH La CH Br: H₂C-CH₂ +HO: C. CHỊCH,O: CH-Br Br HO: d. CH,CH,CH-CH₂Br H

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