heterocyclic

柯林斯词典

heterocyclic /ˌhɛtərəʊˈsaɪklɪk, -ˈsɪk-/

• 1. ADJ (of an organic compound) containing a closed ring of atoms, at least one of which is not a carbon atom (有机化合物)杂环的→compare homocyclic

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