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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:isochamaejasmenin B
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Accession:CHEBI:66091 term browser browse the term
Definition:A biflavonoid that consists of two units of 5,7-dihydroxy-4'-methoxyflavanone attached at the C-3 position (the meso-isomer). Isolated from Stellera chamaejasme, it exhibits antimitotic and antifungal activity.
Synonyms:exact_synonym: (2R*,2'S*,3R*,3'S*)-5,5',7,7'-tetrahydroxy-2,2'-bis(4-methoxyphenyl)-2,2',3,3'-tetrahydro-4H,4'H-3,3'-bichromene-4,4'-dione
 related_synonym: Formula=C32H26O10;   InChI=1S/C32H26O10/c1-39-19-7-3-15(4-8-19)31-27(29(37)25-21(35)11-17(33)13-23(25)41-31)28-30(38)26-22(36)12-18(34)14-24(26)42-32(28)16-5-9-20(40-2)10-6-16/h3-14,27-28,31-36H,1-2H3/t27-,28+,31-,32+;   InChIKey=BTCICADMSGBCKA-WVKQWSHJSA-N;   SMILES=[H][C@]1(Oc2cc(O)cc(O)c2C(=O)[C@]1([H])[C@]1([H])C(=O)c2c(O)cc(O)cc2O[C@]1([H])c1ccc(OC)cc1)c1ccc(OC)cc1;   meso- 2,2',3,3'-tetrahydro-5,5',7',7-tetrahydroxy-2,2'-bis(4-methoxyphenyl)-[3,3'-bi-4H-1-benzopyran]-4,4'-dione;   rel-(2S,3S)-3-[(2R,3R)-5,7-dihydroxy-2-(4-methoxyphenyl)-4-oxo-2,3-dihydrochromen-3-yl]-5,7-dihydroxy-2-(4-methoxyphenyl)-2,3-dihydrochromen-4-one
 xref: PMID:15997133;   Reaxys:10136566

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  CHEBI ontology 19838
    role 19810
      biological role 19808
        antimicrobial agent 18202
          antifungal agent 17133
            isochamaejasmenin B 0
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  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 heterocyclic compound 18857
                                  oxacycle 17873
                                    benzopyran 11960
                                      1-benzopyran 11714
                                        flavonoid 7202
                                          flavans 3641
                                            flavanones 559
                                              methoxyflavanone 289
                                                4'-methoxyflavanones 143
                                                  isochamaejasmenin B 0
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