Guibourtinidin

Guibourtinidin (chloride)
Names
	IUPAC name 2-(4-hydroxyphenyl)chromenylium-3,7-diol
	Other names Guibourtinidin chloride; 3,7,4'-Trihydroxyflavylium chloride
Identifiers
3D model (JSmol)	Interactive image;
PubChem CID	20481741;
CompTox Dashboard (EPA)	DTXSID40607810 ;
	SMILES C1=CC(=CC=C1C2=C(C=C3C=CC(=CC3=[O+]2)O)O)O;
Properties
Chemical formula	C15H11O4+ Cl−
Molar mass	255.24 g/mol
	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

Guibourtinidin is an anthocyanidin.

Tannins

Guibourtinidin forms tannins called leucoguibourtinidins or proguibourtinidins.

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