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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:9460 term browser browse the term
Definition:A seco-androstane that has formula C19H24O3.
Synonyms:exact_synonym: 3-oxo-13,17-secoandrosta-1,4-dieno-17,13alpha-lactone
 related_synonym: (4aS,4bR,10aR,10bS,12aS)-10a,12a-dimethyl-3,4,4a,5,6,10a,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromene-2,8(4bH)-dione;   1,2-didehydrotestololactone;   1-dehydrotestololactone;   13-hydroxy-3-oxo-13,17-secoandrosta-1,4-dien-17-oic acid delta-lactone;   D-homo-17a-oxaandrosta-1,4-diene-3,17-dione;   Delta(1)-testololactone;   Formula=C19H24O3;   InChI=1S/C19H24O3/c1-18-9-7-13(20)11-12(18)3-4-14-15(18)8-10-19(2)16(14)5-6-17(21)22-19/h7,9,11,14-16H,3-6,8,10H2,1-2H3/t14-,15+,16+,18+,19+/m1/s1;   InChIKey=BPEWUONYVDABNZ-DZBHQSCQSA-N;   SMILES=[H][C@@]12CCC3=CC(=O)C=C[C@]3(C)[C@@]1([H])CC[C@]1(C)OC(=O)CC[C@@]21[H];   Teslac
 xref: Beilstein:36921;   CAS:968-93-4;   DrugBank:DB00894;   Drug_Central:2606;   KEGG:C02197;   KEGG:D00153
 xref_mesh: MESH:D013738
 xref: Wikipedia:Testolactone

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testolactone term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Cyp19a1 cytochrome P450, family 19, subfamily a, polypeptide 1 decreases activity ISO Testolactone results in decreased activity of CYP19A1 protein CTD PMID:16026110 NCBI chr 8:54,553,165...54,580,758
Ensembl chr 8:54,553,165...54,580,758
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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 20072
    chemical entity 20071
      group 20003
        organic group 18994
          3-oxo-Delta(4)-steroid group 9172
            3-oxo-Delta(4) steroid 9172
              3-oxo-Delta(1),Delta(4)-steroid 5191
                testolactone 1
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 19974
                    p-block element atom 19974
                      carbon group element atom 19903
                        carbon atom 19896
                          organic molecular entity 19896
                            organic group 18994
                              organic divalent group 18980
                                organodiyl group 18980
                                  carbonyl group 18933
                                    carbonyl compound 18933
                                      ketone 17115
                                        oxo steroid 10333
                                          3-oxo steroid 9936
                                            3-oxo-Delta(1) steroid 5191
                                              3-oxo-Delta(1),Delta(4)-steroid 5191
                                                testolactone 1
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