xanthonolignoid 0 452.11073 452.415 pubmed:12570717 [H]Oc1c([H])c(C2([H])Oc3c([H])c(O[H])c4c(=O)c5c(OC([H])([H])[H])c([H])c([H])c([H])c5oc4c3OC2([H])C([H])([H])O[H])c([H])c([H])c1OC([H])([H])[H] JVIFPKVYVMFZHK-UHFFFAOYSA-N chebi_ontology CHEBI:166894 C24H20O9 InChI=1S/C24H20O9/c1-29-14-7-6-11(8-12(14)26)22-18(10-25)33-23-17(32-22)9-13(27)19-21(28)20-15(30-2)4-3-5-16(20)31-24(19)23/h3-9,18,22,25-27H,10H2,1-2H3 xanthones