SMILES: CC1=C2C(=CC(=C1C(=O)O)O)C(=O)C3=C(C2=O)C(=C(C(=C3O)[O-])[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)[O-]
Description: The molecule is a monocarboxylic acid anion obtained from the deprotonation of the 3-hydroxy and 7-carboxy groups of carminic acid. Major species at pH 7.3. It is a monocarboxylic acid anion and a phenolate anion. It is a conjugate base of a carminic acid.