問題詳情
7. 畫出產物的結構式。
(15) 。(用結構式表示，氫可省略)
(15) 。(用結構式表示，氫可省略)
參考答案
答案：B
難度：非常簡單0.93038
統計：A(9),B(441),C(15),D(9),E(0)
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