单项选择题
CH3CH=CHCH2CH=CHCF3+Br2(1mol)主要产物为()
A.CH3CHBrCHBrCH2CH=CHCF3
B.CH3CH=CHCH2CHBrCHBrCF3
C.CH3CHBrCH=CHCH2CHBrCF3
D.CH3CHBrCH=CHCHBrCH2CF3
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单项选择题
A.CH3CHBrCHBrCH2CH=CHCF3
B.CH3CH=CHCH2CHBrCHBrCF3
C.CH3CHBrCH=CHCH2CHBrCF3
D.CH3CHBrCH=CHCHBrCH2CF3
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