| Label | Id | |
|---|---|---|
| (5-oxo-2-sulfonato-2,5-dihydrofuran-2-yl)acetate | http://purl.obolibrary.org/obo/CHEBI_20479 | |
| 4-carboxymethyl-4-sulfobut-2-en-4-olide | http://purl.obolibrary.org/obo/CHEBI_20479 | |
| 4-sulfolactone | http://purl.obolibrary.org/obo/CHEBI_20479 | |
| 4-sulfomuconolactone | http://purl.obolibrary.org/obo/CHEBI_20479 |