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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:63842 term browser browse the term
Definition:A steroid acid, the 4-carboxy-4-methyl derivative of zymosterol.
Synonyms:exact_synonym: 3beta-hydroxy-4-methyl-5alpha-cholesta-8,24-diene-4-carboxylic acid
 related_synonym: 4-methyl,4-carboxy-5alpha-cholesta-8(9),24-dien-3beta-ol;   Formula=C29H46O3;   InChI=1S/C29H46O3/c1-18(2)8-7-9-19(3)21-11-12-22-20-10-13-24-28(5,23(20)14-16-27(21,22)4)17-15-25(30)29(24,6)26(31)32/h8,19,21-22,24-25,30H,7,9-17H2,1-6H3,(H,31,32)/t19-,21-,22+,24-,25+,27-,28-,29?/m1/s1;   InChIKey=MYWAIWDQTCHPTH-CKXAGKIBSA-N;   SMILES=[H][C@@]1(CC[C@@]2([H])C3=C(CC[C@]12C)[C@@]1(C)CC[C@H](O)C(C)(C(O)=O)[C@]1([H])CC3)[C@H](C)CCC=C(C)C

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19838
    chemical entity 19836
      atom 19836
        nonmetal atom 19764
          carbon atom 19719
            organic molecular entity 19719
              organic acid 18638
                steroid acid 989
                  4-carboxy-4-methylzymosterol 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19838
    subatomic particle 19836
      composite particle 19836
        hadron 19836
          baryon 19836
            nucleon 19836
              atomic nucleus 19836
                atom 19836
                  main group element atom 19782
                    p-block element atom 19782
                      carbon group element atom 19722
                        carbon atom 19719
                          organic molecular entity 19719
                            organic molecule 19670
                              organic cyclic compound 19481
                                organic polycyclic compound 17242
                                  steroid 14704
                                    hydroxy steroid 14453
                                      3-hydroxy steroid 12796
                                        sterol 464
                                          3beta-sterol 458
                                            zymosterol 2
                                              4-carboxy-4-methylzymosterol 0
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