| Label | Id | |
|---|---|---|
| 4H-pyran-4-one | http://purl.obolibrary.org/obo/CHEBI_37966 | |
| 4-Pyrone | http://purl.obolibrary.org/obo/CHEBI_37966 | |
| 4-oxo-4H-pyran | http://purl.obolibrary.org/obo/CHEBI_37966 | |
| Pyran-4-one | http://purl.obolibrary.org/obo/CHEBI_37966 | |
| gamma-pyrone | http://purl.obolibrary.org/obo/CHEBI_37966 |
