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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:6133 term browser browse the term
Definition:A furanochrome in which the basic tricyclic skeleton is substituted at positions 4 and 9 with methoxy groups and at position 7 with a methyl group. A major constituent of the plant Ammi visnaga it is a herbal folk medicine used for various illnesses, its main effect being as a vasodilator.
Synonyms:exact_synonym: 4,9-dimethoxy-7-methyl-5H-furo[3,2-g]chromen-5-one
 related_synonym: 4,9-dimethoxy-7-methyl-5H-furo[3,2-g][1]benzopyran-5-one;   Formula=C14H12O5;   InChI=1S/C14H12O5/c1-7-6-9(15)10-11(16-2)8-4-5-18-12(8)14(17-3)13(10)19-7/h4-6H,1-3H3;   InChIKey=HSMPDPBYAYSOBC-UHFFFAOYSA-N;   SMILES=C12=C(C(=C3OC=CC3=C1OC)OC)OC(C)=CC2=O;   khelline;   khellinum;   quelina
 xref: CAS:82-02-0;   Drug_Central:3313;   KEGG:C09010;   KNApSAcK:C00002431;   LINCS:LSM-5863;   LIPID_MAPS_instance:LMPK13110001;   PMID:12880095;   PMID:19639121;   PMID:21069311;   PMID:24069365;   PMID:26681890;   PMID:27936681;   PMID:28166217;   Reaxys:263185;   Wikipedia:Khellin

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  CHEBI ontology 19765
    role 19738
      application 19572
        anti-asthmatic agent 9294
          khellin 0
Path 2
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  CHEBI ontology 19765
    subatomic particle 19763
      composite particle 19763
        hadron 19763
          baryon 19763
            nucleon 19763
              atomic nucleus 19763
                atom 19763
                  main group element atom 19712
                    p-block element atom 19712
                      carbon group element atom 19658
                        carbon atom 19654
                          organic molecular entity 19654
                            organic molecule 19616
                              organic cyclic compound 19425
                                organic heterocyclic compound 18777
                                  oxacycle 17732
                                    benzopyran 11668
                                      1-benzopyran 11435
                                        chromenes 4388
                                          chromenone 4337
                                            chromones 443
                                              furanochromone 0
                                                5H-furo[3,2-g]chromen-5-one 0
                                                  khellin 0
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