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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:hydrocarbylidyne group
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Accession:CHEBI:33474 term browser browse the term
Definition:Trivalent groups, RC#, formed by removing three hydrogen atoms from the same carbon atom of a hydrocarbon, the free valencies of which are engaged in a triple bond.
Synonyms:related_synonym: RC#;   groupe hydrocarbylidyne;   hydrocarbylidyne groups

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19786
    chemical entity 19786
      group 19705
        organic group 18631
          hydrocarbylidyne group 0
            methylidyne group 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19786
    subatomic particle 19784
      composite particle 19784
        hadron 19784
          baryon 19784
            nucleon 19784
              atomic nucleus 19784
                atom 19784
                  main group element atom 19675
                    main group molecular entity 19675
                      s-block molecular entity 19443
                        hydrogen molecular entity 19439
                          hydrides 18763
                            organic hydride 18363
                              organic fundamental parent 18363
                                hydrocarbon 18078
                                  hydrocarbylidyne group 0
                                    methylidyne group 0
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