Organic Chemical
heterocyclic compound
het·er·o·cy·clic com·pound
Subclass of:
Chemicals and Drugs
Definitions related to heterocyclic compounds:
  • Organic chemicals composed of a ring structure where one or more of the atoms in the ring are not carbon.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • Ring compounds having atoms other than carbon in their nuclei.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Cyclic compounds that include atoms other than carbon in their ring structure.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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