1. Which of the following structures is 2-methylpentane?
(A) CH3CH2CH2CH2CH3
(B)
(C)
(D) 
(E) CH3CH2CHCH3 | CH3
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統計: 尚無統計資料
統計: 尚無統計資料
1. Which of the following structures is 2-methylpentane?
(A) CH3CH2CH2CH2CH3
(B)
(C)
(D) 
(E) CH3CH2CHCH3 | CH3