The molecule is a flavonoid oxoanion that is the conjugate base of isoorientin, arising from selective deprotonation of the 7-hydroxy group; major species at pH 7.3. It is a conjugate base of an isoorientin.
2-(3,4-dihydroxyphenyl)-7-hydroxy-4-oxo-6-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]chromen-5-olate