| Label | Id | |
|---|---|---|
| 4-butyl-gamma-butyrolactone | http://purl.obolibrary.org/obo/CHEBI_87416 | |
| 4-butyldihydrofuran-2(3H)-one | http://purl.obolibrary.org/obo/CHEBI_87416 | |
| 4-butyloxolan-2-one | http://purl.obolibrary.org/obo/CHEBI_87416 | |
| 4-octanolide | http://purl.obolibrary.org/obo/CHEBI_87416 |