9. What would be the major product of the following reaction?


(A) I
(B)II
(C) III
(D)IV
(E)V
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統計: 尚無統計資料
統計: 尚無統計資料
9. What would be the major product of the following reaction?


(A) I
(B)II
(C) III
(D)IV
(E)V