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30. The acetoacetic ester synthesis, shown below, can be used to prepare 5-methyl-2-hexanone. Which one of the following alkyl bromides would be used in the synthesis?  
(A) (CH3)2CHBr
(B) (CH3)2CHCH2Br
(C) (CH3)2CHCH2CH2Br
(D) CH3CH2CHBrCH3
(E) (CH3)2CBrCH3



30. The acetoacetic ester synthesis, sho..-阿摩線上測驗