The molecule is an oxonium betaine obtained by deprotonation of the 7-hydroxy group of delphinidin 3,3',5-tri-O-beta-D-glucoside. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a delphinidin 3,3',5-tri-O-glucoside.
2-[3,4-dihydroxy-5-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]-3,5-bis[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]chromen-7-one