https://doi.org/10.1351/goldbook.S06122
3,3-Bis(hydroxyaryl)-3H-2,1-benzoxathiole S,S-dioxides, formed by condensation of o-sulfobenzoic acid with
phenols
or related compounds, e.g. ![Not defined](/img/inline/S06122.png)
See:
phenols
, phthaleins