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Ermanin
Names
	IUPAC name 5,7-Dihydroxy-3,4′-dimethoxyflavone
	Systematic IUPAC name 5,7-Dihydroxy-3-methoxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one
	Other names 3,4'-Dimethoxychrysin; Kaempferol-3,4'-dimethylether; Kaempferol 3,4'-di-O-methyl ether; 5,7-Dihydroxy-3-methoxy-2-(4-methoxyphenyl)-4-benzopyrone
Identifiers
CAS Number	20869-95-8 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:146142;
ChemSpider	4508982 ;
ECHA InfoCard	100.040.070
PubChem CID	5352001;
UNII	850D90YJN3 ;
CompTox Dashboard (EPA)	DTXSID90174986 ;
	InChI InChI=1S/C17H14O6/c1-21-11-5-3-9(4-6-11)16-17(22-2)15(20)14-12(19)7-10(18)8-13(14)23-16/h3-8,18-19H,1-2H3 Key: RJCJVIFSIXKSAH-UHFFFAOYSA-N ; InChI=1/C17H14O6/c1-21-11-5-3-9(4-6-11)16-17(22-2)15(20)14-12(19)7-10(18)8-13(14)23-16/h3-8,18-19H,1-2H3 Key: RJCJVIFSIXKSAH-UHFFFAOYAU;
	SMILES COC1=CC=C(C=C1)C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)OC;
Properties
Chemical formula	C17H14O6
Molar mass	314.293 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Ermanin is an O-methylated flavonol. It was isolated from Tanacetum microphyllum.^[1]

References

^ Martinez, Jacqueline; Silván, Ana Maria; Abad, Maria José; Bermejo, Paulina; Villar, Angel; Söllhuber, Monica (1997). "Isolation of Two Flavonoids from Tanacetum microphyllumas PMA-Induced Ear Edema Inhibitors". Journal of Natural Products. 60 (2): 142–144. doi:10.1021/np960163u. PMID 9051913.