問題詳情

24. The exo-product is the minor product during the 4+2 reaction. Which is the exo-product? 
(A)  
(B)  
(C)  
(D)  
(E)

參考答案

答案:C
難度:適中0.4
統計:A(0),B(3),C(2),D(0),E(0)

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