| Label | Id | |
|---|---|---|
| 4-HYDROXY-2H-CHROMEN-2-ONE | http://purl.obolibrary.org/obo/CHEBI_40070 | |
| 4-coumarinol | http://purl.obolibrary.org/obo/CHEBI_40070 | |
| 4-hydroxy-2-chromenone | http://purl.obolibrary.org/obo/CHEBI_40070 | |
| 4-hydroxy-2H-1-benzopyran-2-one | http://purl.obolibrary.org/obo/CHEBI_40070 | |
| 4-hydroxy-2H-benzo[b]pyran-2-one | http://purl.obolibrary.org/obo/CHEBI_40070 | |
| 4-hydroxy-2H-chromen-2-one | http://purl.obolibrary.org/obo/CHEBI_40070 | |
| 4-hydroxycoumarin | http://purl.obolibrary.org/obo/CHEBI_40070 | |
| benzotetronic acid | http://purl.obolibrary.org/obo/CHEBI_40070 |