Term Name:	4-hydroxy-3-methoxybenzene-1-sulfonic acid
Synonyms:	4-hydroxy-3-methoxybenzene-1-sulfonic acid, 4-Hydroxy-3-methoxybenzenesulfonic acid, 4-Hydroxy-3-methoxybenzenesulphonic acid, Guaiacolsulfonic acid, Sulfogaiacol
Definition:	An arenesulfonic acid that is guaiacol sulfated at position 4. Commonly used (in the form of its potassium salt) as an expectorant.
Ontology:	ChEBI [CHEBI:85537]  ( EBI )