SMILES: C[C@@H]1[C@@H]2C3=C([C@H](O1)C)C(=C4C(=O)C[C@]5(C6=C7C8=C([C@H](O[C@@H]([C@H]8O5)C)C)C(=C9C7=C(C3=C46)[C@@](O2)(CC9=O)O)[O-])O)O
Description: The molecule is a phenolate anion obtained by deprotonation of one of the two phenolic hydroxy groups of xanthoaphin. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a xanthoaphin.