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)