問題詳情

18. Which of the following describes the compound below?   
(A) bridged bicyclic
(B) fused bicyclic
(C) spiro bicyclic
(D) bridged tricyclic
(E) fused tricyclic

參考答案

答案:A
難度:簡單0.75
統計:A(3),B(0),C(0),D(1),E(0)

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