| Label | Id | |
|---|---|---|
| CH3-[CH2]2-CO- | http://purl.obolibrary.org/obo/CHEBI_22972 | |
| butanoyl | http://purl.obolibrary.org/obo/CHEBI_22972 | |
| butyryl | http://purl.obolibrary.org/obo/CHEBI_22972 | |
| butanoyl group | http://purl.obolibrary.org/obo/CHEBI_22972 | |
| butyryl group | http://purl.obolibrary.org/obo/CHEBI_22972 |
