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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:139494 term browser browse the term
Definition:A diterpene that is cyclotetradeca-1,3,7,11-tetraene which is substituted by methyl groups at positions 1, 7, and 11, and by an isopropyl group at position 4 (the 1Z,3E,7E,11E isomer). It is a constituent of the essential oils from Pinus koraiensis and Pinus sibirica.
Synonyms:exact_synonym: (1Z,3E,7E,11E)-4-isopropyl-1,7,11-trimethylcyclotetradeca-1,3,7,11-tetraene
 related_synonym: 1(14)E,2Z,6E,10E-14-isopropyl-3,7,11-trimethylcyclotetradeca-1(14),3,7,11-tetraene;   Formula=C20H32;   InChI=1S/C20H32/c1-16(2)20-14-12-18(4)10-6-8-17(3)9-7-11-19(5)13-15-20/h8,11-12,14,16H,6-7,9-10,13,15H2,1-5H3/b17-8+,18-12-,19-11+,20-14+;   InChIKey=UJUWZMUCEGGBOH-FAZZLAFVSA-N;   SMILES=CC(C)C1=C/C=C(C)\\CC\\C=C(C)\\CC\\C=C(C)\\CC\\1
 xref: FooDB:FDB019348;   PMID:28696553

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  CHEBI ontology 19810
    chemical entity 19810
      molecular entity 19808
        polyatomic entity 19721
          molecule 19545
            cyclic compound 19349
              macrocycle 2304
                beta-pinacene 0
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  CHEBI ontology 19810
    subatomic particle 19808
      composite particle 19808
        hadron 19808
          baryon 19808
            nucleon 19808
              atomic nucleus 19808
                atom 19808
                  main group element atom 19696
                    main group molecular entity 19696
                      s-block molecular entity 19456
                        hydrogen molecular entity 19447
                          hydrides 18703
                            organic hydride 18265
                              organic fundamental parent 18265
                                hydrocarbon 17986
                                  cyclic hydrocarbon 17073
                                    monocyclic hydrocarbon 5769
                                      beta-pinacene 0
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