SMILES: C1=CC(=CC2=C1C=CN2)OS(=O)(=O)O
Description: The molecule is a member of the class of indoles that is 6-hydroxyindole in which the phenolic hydrogen has been replaced by a sulfo group. It is an aryl sulfate and a member of indoles. It is a conjugate acid of a 6-hydroxyindole sulfate(1-).