| Label | Id | |
|---|---|---|
| 1,3-propiolactone | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| 2-oxetanone | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| 3-hydroxypropionic acid beta-lactone | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| 3-propanolide | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| beta-lactone hydracrylic acid | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| betaprone | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| betapron | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| beta-propanoic acid lactone | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| beta-propiolactone | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| beta-Propiolactone | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| beta-Propiolakton | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| beta-propionolactone | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| hydracrylic acid beta-lactone | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| oxetan-2-one | http://purl.obolibrary.org/obo/CHEBI_49073 | |
| propanolide | http://purl.obolibrary.org/obo/CHEBI_49073 |