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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.

Term:paraminabeolide A
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Accession:CHEBI:67560 term browser browse the term
Definition:A withanolide that is 22,26-epoxyergosta-1,4,24-triene-18-al substituted by oxo groups at positions 3 and 26. Isolated from a Formosan soft coral, Paraminabea acronocephala, it exhibits cytotoxic activity.
Synonyms:exact_synonym: (22R)-3,26-dioxo-22,26-epoxyergosta-1,4,24-trien-18-al
 related_synonym: Formula=C28H36O4;   InChI=1S/C28H36O4/c1-16-13-25(32-26(31)17(16)2)18(3)22-7-8-24-21-6-5-19-14-20(30)9-11-27(19,4)23(21)10-12-28(22,24)15-29/h9,11,14-15,18,21-25H,5-8,10,12-13H2,1-4H3/t18-,21+,22+,23-,24-,25+,27-,28-/m0/s1;   InChIKey=TXZGYZBGLCFIQO-JFDBTBFLSA-N;   SMILES=C[C@@H]([C@H]1CC[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)[C@H]3CC[C@]12C=O)[C@H]1CC(C)=C(C)C(=O)O1
 xref: PMID:21425785;   Reaxys:21534301

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  CHEBI ontology 19841
    role 19792
      application 19465
        pharmaceutical 19338
          drug 19338
            antineoplastic agent 17009
              paraminabeolide A 0
Path 2
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  CHEBI ontology 19841
    subatomic particle 19839
      composite particle 19839
        hadron 19839
          baryon 19839
            nucleon 19839
              atomic nucleus 19839
                atom 19839
                  main group element atom 19732
                    p-block element atom 19732
                      carbon group element atom 19636
                        carbon atom 19625
                          organic molecular entity 19625
                            organic group 18537
                              organic divalent group 18528
                                organodiyl group 18528
                                  carbonyl group 18436
                                    carbonyl compound 18436
                                      carboxylic acid 18113
                                        carboacyl group 17377
                                          univalent carboacyl group 17377
                                            formyl group 7861
                                              aldehyde 7861
                                                steroid aldehyde 90
                                                  paraminabeolide A 0
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