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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:67370 term browser browse the term
Definition:A member of the class of chromones that is chromone substituted by hydroxy groups at positions 5 and 7 and methyl groups at positions 6 and 8 respectively. It has been isolated from Pisonia aculeata.
Synonyms:exact_synonym: 5,7-dihydroxy-6,8-dimethyl-4H-chromen-4-one
 related_synonym: Formula=C11H10O4;   InChI=1S/C11H10O4/c1-5-9(13)6(2)11-8(10(5)14)7(12)3-4-15-11/h3-4,13-14H,1-2H3;   InChIKey=OWGYZWMBXRFUQP-UHFFFAOYSA-N;   SMILES=Cc1c(O)c(C)c2occc(=O)c2c1O
 xref: PMID:21542597;   PMID:23055639;   PMID:5751282;   Reaxys:1286591

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Term Annotations click to browse term
  CHEBI ontology 20056
    role 20008
      biological role 20007
        biochemical role 19640
          metabolite 19623
            leptorumol 0
Path 2
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  CHEBI ontology 20056
    subatomic particle 20054
      composite particle 20054
        hadron 20054
          baryon 20054
            nucleon 20054
              atomic nucleus 20054
                atom 20054
                  main group element atom 19956
                    p-block element atom 19956
                      carbon group element atom 19882
                        carbon atom 19875
                          organic molecular entity 19875
                            organic molecule 19822
                              organic cyclic compound 19575
                                organic heterocyclic compound 18798
                                  oxacycle 17684
                                    benzopyran 11207
                                      1-benzopyran 10945
                                        chromenes 3025
                                          chromenone 2964
                                            chromones 429
                                              chromone 5
                                                leptorumol 0
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