The molecule is a flavonoid oxoanion resulting from the deprotonation of the hydroxy group at position 5 of the flavonoid moiety of quercetin 3,7-bis-O-alpha-L-rhamnoside. The major species at pH 7.3. It is a conjugate base of a quercetin 3,7-di-O-alpha-L-rhamnoside.
2-hydroxy-4-[5-hydroxy-4-oxo-3,7-bis[[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy]chromen-2-yl]phenolate