阿摩線上測驗
50. What product would you expect from the following reaction? 
(A) 
(B)
(C)
(D) 
(E)
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統計： A(2), B(3), C(0), D(0), E(0) #2055467
統計： A(2), B(3), C(0), D(0), E(0) #2055467