SMILES: C1=CC(=C(C=C1C2=[O+]C3=CC(=CC(=C3C=C2O[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O[C@H]5[C@@H]([C@H]([C@@H]([C@H](O5)C(=O)[O-])O)O)O)O)O)O)O
Description: The molecule is an oxonium betaine that is the conjugate base of cyanidin 3-O-(2-O-beta-D-glucuronosyl)-beta-D-glucoside, arising from deprotonation of the carboxy group; major species at pH 7.3. It derives from a cyanidin cation. It is a conjugate base of a cyanidin 3-O-(2-O-beta-D-glucuronosyl)-beta-D-glucoside. It is a conjugate acid of a cyanidin 3-O-(2-O-beta-D-glucuronosyl)-beta-D-glucoside(2-).