| Label | Id | |
|---|---|---|
| hydroxybutanoic acid | http://purl.obolibrary.org/obo/CHEBI_24684 | |
| hydroxybutanoic acids | http://purl.obolibrary.org/obo/CHEBI_24684 | |
| hydroxybutyric acid | http://purl.obolibrary.org/obo/CHEBI_24684 | |
| hydroxybutyric acids | http://purl.obolibrary.org/obo/CHEBI_24684 |
