| Label | Id | |
|---|---|---|
| butan-4-olide | http://purl.obolibrary.org/obo/CHEBI_22950 | |
| 7alpha,17beta-dihydroxyandrost-4-en-3-one | http://purl.obolibrary.org/obo/CHEBI_2295 | |
| butan-4-olides | http://purl.obolibrary.org/obo/CHEBI_22950 | |
| 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-CoAs | http://purl.obolibrary.org/obo/CHEBI_22954 | |
| 7alpha -hydroxytestosterone | http://purl.obolibrary.org/obo/CHEBI_2295 | |
| 2-butenedioic acid | http://purl.obolibrary.org/obo/CHEBI_22958 | |
| but-2-enedioic acid | http://purl.obolibrary.org/obo/CHEBI_22958 | |
| butenedioic acid | http://purl.obolibrary.org/obo/CHEBI_22958 | |
| butenoic acid | http://purl.obolibrary.org/obo/CHEBI_22959 |