为了避免看不清,给你一溴戊烷的结构式,戊基也就出来了CH3-CH2-CH2-CH2-CH2BrCH3-CH2-CH2-CHBr-CH3CH3-CH2-CHBr-CH2-CH3CH3-CH2-CH(CH3)-CH2BrCH3-CH2-CBr(CH3)2CH3-CHBr-CH(CH3)2CH2Br-CH2-CH(CH3)2(CH3)3CCH2Br...