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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:70016 term browser browse the term
Definition:A 3-oxo Delta(7)-steroid that is (22E)-ergosta-7,22-diene substituted by oxo groups at positions 3 and 6. It has been isolated from Penicillium commune.
Synonyms:exact_synonym: (22E)-ergosta-7,22-diene-3,6-dione
 related_synonym: Formula=C28H42O2;   InChI=1S/C28H42O2/c1-17(2)18(3)7-8-19(4)22-9-10-23-21-16-26(30)25-15-20(29)11-13-28(25,6)24(21)12-14-27(22,23)5/h7-8,16-19,22-25H,9-15H2,1-6H3/b8-7+/t18-,19+,22+,23-,24-,25+,27+,28+/m0/s1;   InChIKey=AGFWEYQAOQMEEO-KRGQBHGKSA-N;   SMILES=CC(C)[C@@H](C)\\C=C\\[C@@H](C)[C@H]1CC[C@H]2C3=CC(=O)[C@H]4CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C;   cyathisterone
 xref: PMID:21226488;   Reaxys:7049139

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Term Annotations click to browse term
  CHEBI ontology 19781
    role 19726
      biological role 19726
        biochemical role 19319
          metabolite 19301
            eukaryotic metabolite 18965
              fungal metabolite 17440
                Penicillium metabolite 1916
                  (22E,24R)-ergosta-7,22-diene-3,6-dione 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19781
    subatomic particle 19779
      composite particle 19779
        hadron 19779
          baryon 19779
            nucleon 19779
              atomic nucleus 19779
                atom 19779
                  main group element atom 19669
                    p-block element atom 19669
                      carbon group element atom 19588
                        carbon atom 19578
                          organic molecular entity 19578
                            organic group 18620
                              organic divalent group 18611
                                organodiyl group 18611
                                  carbonyl group 18526
                                    carbonyl compound 18526
                                      ketone 16828
                                        oxo steroid 9719
                                          3-oxo steroid 9276
                                            3-oxo Delta(7)-steroid 0
                                              (22E,24R)-ergosta-7,22-diene-3,6-dione 0
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