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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.

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Accession:CHEBI:48086 term browser browse the term
Definition:An alkyne that has formula C3H4.
Synonyms:exact_synonym: prop-1-yne
 related_synonym: 1-propyne;   Formula=C3H4;   InChI=1S/C3H4/c1-3-2/h1H,2H3;   InChIKey=MWWATHDPGQKSAR-UHFFFAOYSA-N;   SMILES=CC#C;   allylene;   methyl acetylene;   methylacetylene;   propine
 xref: Beilstein:878138;   CAS:74-99-7

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19762
    chemical entity 19762
      molecular entity 19760
        main group molecular entity 19651
          gas molecular entity 17753
            propyne 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19762
    subatomic particle 19760
      composite particle 19760
        hadron 19760
          baryon 19760
            nucleon 19760
              atomic nucleus 19760
                atom 19760
                  main group element atom 19651
                    main group molecular entity 19651
                      s-block molecular entity 19418
                        hydrogen molecular entity 19413
                          hydrides 18746
                            organic hydride 18348
                              organic fundamental parent 18348
                                hydrocarbon 18064
                                  acetylenes 38
                                    acyclic acetylene 38
                                      alkyne 38
                                        propyne 0
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