| Label | Id | |
|---|---|---|
| bromum | http://purl.obolibrary.org/obo/CHEBI_22927 | |
| bufanolide | http://purl.obolibrary.org/obo/CHEBI_22934 | |
| butan-4-olide | http://purl.obolibrary.org/obo/CHEBI_22950 | |
| butan-4-olides | http://purl.obolibrary.org/obo/CHEBI_22950 | |
| butanals | http://purl.obolibrary.org/obo/CHEBI_22939 | |
| butanamides | http://purl.obolibrary.org/obo/CHEBI_22965 | |
| butanediols | http://purl.obolibrary.org/obo/CHEBI_22944 | |
| butanolide | http://purl.obolibrary.org/obo/CHEBI_22950 | |
| butanone | http://purl.obolibrary.org/obo/CHEBI_22951 | |
| butanones | http://purl.obolibrary.org/obo/CHEBI_22951 | |
| butanoyl | http://purl.obolibrary.org/obo/CHEBI_22972 | |
| butanoyl-CoAs | http://purl.obolibrary.org/obo/CHEBI_22954 | |
| butenoyl-CoA | http://purl.obolibrary.org/obo/CHEBI_22961 | |
| butenoyl-CoAs | http://purl.obolibrary.org/obo/CHEBI_22961 | |
| butylstannane | http://purl.obolibrary.org/obo/CHEBI_22966 |