N the structure of many molecules, notably benzene, suggested by Friedrich August Kekulé von Stradonitz (1829–96), the German chemist 凯库勒结构式
The chemist Friedrich Kekulé discovered the ring-shaped structure of benzene after dreaming of a serpent devouring its tale, for example.
例如，化学家Friedrich Kekulé梦到蛇咬住自己的尾巴后得到启发，发现了苯的环状结构。
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