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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:138219 term browser browse the term
Definition:A diterpene that is the enantiomer of atisane which has undergone formal dehydrogenation to indroduce an exocyclic double bond at position 16.
Synonyms:exact_synonym: (5beta,8alpha,9beta,10alpha,12alpha)-atis-16-ene
 related_synonym: (-)-atisirene;   Formula=C20H32;   InChI=1S/C20H32/c1-14-13-20-10-6-15(14)12-17(20)19(4)9-5-8-18(2,3)16(19)7-11-20/h15-17H,1,5-13H2,2-4H3/t15-,16+,17-,19+,20+/m0/s1;   InChIKey=LFRRHLVVLXYROS-YQXATGRUSA-N;   SMILES=C1CCC([C@@]2([C@@]1([C@]3([C@]4(CC2)CC([C@H](C3)CC4)=C)[H])C)[H])(C)C;   ent-atiser-16-ene
 xref: CAS:20230-48-2;   KNApSAcK:C00000879;   MetaCyc:CPD-20256;   PMID:17892288;   PMID:21825154;   PMID:28381502;   Reaxys:2559115

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  CHEBI ontology 19810
    role 19758
      biological role 19758
        biochemical role 19304
          metabolite 19285
            eukaryotic metabolite 18934
              plant metabolite 17422
                ent-atiserene 0
Path 2
Term Annotations click to browse term
  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
                                    polycyclic hydrocarbon 16887
                                      ent-atiserene 0
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