問題詳情

3. Which of the following structures is chiral?  
(A) I and III
(B) II and IV
(C) I, III and IV
(D) I and IV
(E) III and IV

參考答案

答案：A,C
難度：困難0.2
統計：A(4),B(2),C(3),D(2),E(3)

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