| Label | Id | |
|---|---|---|
| 2-penten-4-olide | http://purl.obolibrary.org/obo/CHEBI_36436 | |
| 5-methyl-2(5H)-furanone | http://purl.obolibrary.org/obo/CHEBI_36436 | |
| 5-methylfuran-2(5H)-one | http://purl.obolibrary.org/obo/CHEBI_36436 | |
| beta-Angelicalacton | http://purl.obolibrary.org/obo/CHEBI_36436 | |
| beta-angelicalactone | http://purl.obolibrary.org/obo/CHEBI_36436 | |
| gamma-methyl-alpha,beta-crotonolactone | http://purl.obolibrary.org/obo/CHEBI_36436 | |
| Delta(1)-angelica lactone | http://purl.obolibrary.org/obo/CHEBI_36436 | |
| alpha,beta-angelica lactone | http://purl.obolibrary.org/obo/CHEBI_36436 | |
| beta-angelica lactone | http://purl.obolibrary.org/obo/CHEBI_36436 | |
| 4-hydroxy-2-pentenoic acid gamma-lactone | http://purl.obolibrary.org/obo/CHEBI_36436 | |
| 4-hydroxypent-2-enoic acid lactone | http://purl.obolibrary.org/obo/CHEBI_36436 |