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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:138247 term browser browse the term
Definition:A diterpene that has a dicyclopenta[a,d]cyclooctane skeleton containing a double bond at the 6a-7 position and which is substituted by methyl groups at positions 1 and 9a, a methylene group at position 4 and an isopropyl group at position 7 (the 1R,3aR,9aS,10aR isomer). A precursor for sordaricin, the aglycone of sodarin found in Sordaria araneosa.
Synonyms:exact_synonym: (1R,3aR,9aS,10aR)-7-isopropyl-1,9a-dimethyl-4-methylene-1,2,3,3a,4,5,6,8,9,9a,10,10a-dodecahydrodicyclopenta[a,d]cyclooctene
 related_synonym: Formula=C20H32;   InChI=1S/C20H32/c1-13(2)16-10-11-20(5)12-18-15(4)6-8-17(18)14(3)7-9-19(16)20/h13,15,17-18H,3,6-12H2,1-2,4-5H3/t15-,17+,18-,20+/m1/s1;   InChIKey=RROMSRXZXPWQPJ-QEEHTWDDSA-N;   SMILES=[C@@]12(C[C@]3([C@](C(CCC1=C(CC2)C(C)C)=C)(CC[C@H]3C)[H])[H])C
 xref: CAS:110990-41-5;   KNApSAcK:C00000507;   MetaCyc:CPD-20446;   PMID:26836448;   PMID:27072286

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  CHEBI ontology 19810
    role 19758
      biological role 19758
        biochemical role 19304
          metabolite 19285
            eukaryotic metabolite 18934
              fungal metabolite 17420
                cycloaraneosene 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
                                  terpene 9609
                                    diterpene 8430
                                      cycloaraneosene 0
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