SMILES: COC1=C(C=CC(=C1)C=C)OS(=O)(=O)[O-]
Description: The molecule is a phenyl sulfate oxoanion that is the conjugate base of 4-vinylguaiacol sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3. It is a conjugate base of a 4-vinylguaiacol sulfate.