SMILES: C1=CC=C(C=C1)C(C(=O)[O-])S(=O)(=O)O
Description: The molecule is a monocarboxylic acid anion that is the conjugate base of alpha-sulfophenylacetic acid. It is a monocarboxylic acid anion and an organosulfonic acid. It is a conjugate base of an alpha-sulfophenylacetic acid.