cyanidin 3-O-beta-D-glucoside betaine
cyanidin 3-o-beta-d-glucoside betaine
An oxonium betaine that is the conjugate base of cyanidin 3-<em>O</em>-β-<small>D</small>-glucoside, arising from selective deprotonation of the 5-hydroxy group on the chromene ring; major species at pH 7.3.