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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:64281 term browser browse the term
Definition:A diterpene that consists of a labdane skeleton with double bonds at C-8(17), C-13(16) and C-14.
Synonyms:exact_synonym: (4aS,5S,8aS)-1,1,4a-trimethyl-6-methylene-5-(3-methylenepent-4-en-1-yl)decahydronaphthalene
 related_synonym: Delta(8,17.13,16.14)-labdatriene;   Formula=C20H32;   InChI=1S/C20H32/c1-7-15(2)9-11-17-16(3)10-12-18-19(4,5)13-8-14-20(17,18)6/h7,17-18H,1-3,8-14H2,4-6H3/t17-,18-,20+/m0/s1;   InChIKey=KYLKKZSVPLUGCC-CMKODMSKSA-N;   SMILES=[H][C@]1(CCC(=C)C=C)C(=C)CC[C@@]2([H])C(C)(C)CCC[C@]12C;   labda-8(17),13(16),14-triene
 xref: AGR:IND43636008;   CAS:511-02-4;   MetaCyc:CPD-14025;   PMID:10793256;   PMID:12710734;   PMID:20397107;   PMID:21404436;   Reaxys:2523112

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  CHEBI ontology 19816
    chemical entity 19816
      atom 19814
        nonmetal atom 19690
          carbon atom 19597
            organic molecular entity 19597
              isoprenoid 9607
                terpene 9607
                  diterpene 8431
                    sclarene 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19816
    subatomic particle 19814
      composite particle 19814
        hadron 19814
          baryon 19814
            nucleon 19814
              atomic nucleus 19814
                atom 19814
                  main group element atom 19702
                    main group molecular entity 19702
                      s-block molecular entity 19461
                        hydrogen molecular entity 19452
                          hydrides 18707
                            organic hydride 18269
                              organic fundamental parent 18269
                                hydrocarbon 17988
                                  terpene 9607
                                    diterpene 8431
                                      labdane 139
                                        sclarene 0
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