SMILES: C1=CC(=C(C=C1/C=C/C(=O)O)[O-])O[C@H]2[C@@H]([C@H]([C@@H]([C@H](O2)CO)O)O)O
Description: The molecule is a hydroxy monocarboxylic acid anion resulting from the deprotonation of the carboxy group of 4-O-beta-D-glucosyl-trans-caffeic acid. The major specides at pH 7.3. It derives from a trans-caffeate. It is a conjugate base of a 4-O-beta-D-glucosyl-trans-caffeic acid.