SMILES: C1=CC(=CC=C1CC(=O)[O-])O
Description: The molecule is a monocarboxylic acid anion that is obtained by removal of a proton from the carboxylic acid group of 4-hydroxyphenylacetic acid. It has a role as a human metabolite, a fungal metabolite and a plant metabolite. It derives from an acetate. It is a conjugate base of a 4-hydroxyphenylacetic acid.