| Label | Id | |
|---|---|---|
| 2-oxo-2H-chromen-4-olate | http://purl.obolibrary.org/obo/CHEBI_77858 | |
| 4-hydroxycoumarin | http://purl.obolibrary.org/obo/CHEBI_77858 | |
| 4-hydroxycoumarin(1-) | http://purl.obolibrary.org/obo/CHEBI_77858 | |
| 4-oxidocoumarin(1-) | http://purl.obolibrary.org/obo/CHEBI_77858 |
