阿摩線上測驗
86. Which of following structures presents the most stable conformation of cis-1-ethyl-2- isopropylcyclohexane?
(A)
(B)
(C)
(D)
(E)
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統計： A(2), B(12), C(0), D(4), E(4) #2911434
統計： A(2), B(12), C(0), D(4), E(4) #2911434
