The molecule is the conjugate base of vitexin 2''-O-alpha-L-rhamnoside arising from deprotonation of the OH group at position 7 on the chromene. It is a conjugate base of a vitexin 2''-O-alpha-L-rhamnoside.
8-[(2S,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]-5-hydroxy-2-(4-hydroxyphenyl)-4-oxochromen-7-olate