Which is the major product of the following reaction? (A) (B) (C) (D) (E)

問題詳情

43. Which is the major product of the following reaction?

(A)

(B)

(C)

(D)

(E)

參考答案

答案：B
難度：簡單0.769231
統計：A(1),B(10),C(2),D(0),E(0)

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