14. How many of the following compounds are aromatic?
(A) 4
(B) 5
(C) 6
(D) 7
(E) 8
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統計: 尚無統計資料
統計: 尚無統計資料
14. How many of the following compounds are aromatic?
(A) 4
(B) 5
(C) 6
(D) 7
(E) 8