A six - membered heterocyclic compound,such as pyridine,that contains one or more atoms of nitrogen with a ring structure resembling that of benzene.
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- 吖?,连氮由六种元素构成的杂环化合物,如氮苯(吡啶),它由一个或更多的氮原子构成,呈环状结构,类似苯的结构