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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:20747 term browser browse the term
Definition:A 6-oxo steroid that has formula C28H48O2.
Synonyms:exact_synonym: 6-oxo-5alpha-campestan-3beta-ol
 related_synonym: (24R)-3beta-hydroxy-5alpha-ergostan-6-one;   Formula=C28H48O2;   InChI=1S/C28H48O2/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/h17-25,29H,7-16H2,1-6H3/t18-,19-,20+,21+,22-,23+,24+,25-,27-,28-/m1/s1;   InChIKey=NBJZGNFIZZWBOJ-JSHJXQBASA-N;   SMILES=[H][C@@]1(CC[C@@]2([H])[C@]3([H])CC(=O)[C@@]4([H])C[C@@H](O)CC[C@]4(C)[C@@]3([H])CC[C@]12C)[C@H](C)CC[C@@H](C)C(C)C
 xref: Beilstein:7415873;   KEGG:C15789;   KNApSAcK:C00007273;   LIPID_MAPS_instance:LMST01030133
 xref_mesh: MESH:C411123

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Term Annotations click to browse term
  CHEBI ontology 240
    chemical entity 240
      group 233
        inorganic group 179
          oxo group 154
            organic oxo compound 154
              carbonyl compound 154
                ketone 48
                  oxo steroid 23
                    6-oxo steroid 0
                      6-oxocampestanol 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 240
    subatomic particle 240
      composite particle 240
        hadron 240
          baryon 240
            nucleon 240
              atomic nucleus 240
                atom 240
                  main group element atom 233
                    p-block element atom 233
                      carbon group element atom 222
                        carbon atom 221
                          organic molecular entity 221
                            organic molecule 215
                              organic cyclic compound 199
                                organic polycyclic compound 66
                                  steroid 40
                                    hydroxy steroid 20
                                      3-hydroxy steroid 7
                                        sterol 2
                                          3beta-sterol 2
                                            campestanol 0
                                              6-oxocampestanol 0
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