The molecule is an organic anion obtained by selective deprotonation of the 7-hydroxy group of kaempferol 3-O-beta-D-xyloside; major species at pH 7.3. It is a conjugate base of a kaempferol 3-O-beta-D-xyloside.
7-hydroxy-2-(4-hydroxyphenyl)-4-oxo-3-[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxychromen-5-olate