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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:28320 term browser browse the term
Definition:A glucocorticoid that has formula C21H34O5.
Synonyms:exact_synonym: 3alpha,11beta,17,21-tetrahydroxy-5beta-pregnan-20-one
 related_synonym: 3alpha,5beta-Tetrahydrocortisol;   5beta-Pregnane-3alpha,11beta,17alpha,21-tetrol-20-one;   5beta-Tetrahydrocortisol;   Formula=C21H34O5;   InChI=1S/C21H34O5/c1-19-7-5-13(23)9-12(19)3-4-14-15-6-8-21(26,17(25)11-22)20(15,2)10-16(24)18(14)19/h12-16,18,22-24,26H,3-11H2,1-2H3/t12-,13-,14+,15+,16+,18-,19+,20+,21+/m1/s1;   InChIKey=AODPIQQILQLWGS-GXBDJPPSSA-N;   SMILES=[H][C@]12CC[C@@]3([H])[C@]4([H])CC[C@](O)(C(=O)CO)[C@@]4(C)C[C@H](O)[C@]3([H])[C@@]1(C)CC[C@@H](O)C2;   Tetrahydrohydrocortisone;   Urocortisol
 alt_id: CHEBI:27249;   CHEBI:9900
 xref: Beilstein:2628640;   CAS:53-02-1;   KEGG:C05472;   LIPID_MAPS_instance:LMST02030099

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Term Annotations click to browse term
  CHEBI ontology 20072
    role 20024
      biological role 20023
        molecular messenger 18630
          hormone 18489
            steroid hormone 7868
              corticosteroid hormone 5364
                glucocorticoid 5336
                  tetrahydrocortisol 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 20072
    subatomic particle 20071
      composite particle 20071
        hadron 20071
          baryon 20071
            nucleon 20071
              atomic nucleus 20071
                atom 20071
                  main group element atom 19971
                    p-block element atom 19971
                      carbon group element atom 19894
                        carbon atom 19887
                          organic molecular entity 19887
                            organic group 18965
                              organic divalent group 18951
                                organodiyl group 18951
                                  carbonyl group 18903
                                    carbonyl compound 18903
                                      ketone 17111
                                        oxyketone 8784
                                          alpha-oxyketone 8784
                                            alpha-hydroxy ketone 8784
                                              primary alpha-hydroxy ketone 7662
                                                tetrahydrocortisol 0
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