| Label | Id | |
|---|---|---|
| but-2-enedioyl | http://purl.obolibrary.org/obo/CHEBI_37954 | |
| buta-1,2,3-triene | http://purl.obolibrary.org/obo/CHEBI_37609 | |
| buta-1,3-diyne | http://purl.obolibrary.org/obo/CHEBI_37820 | |
| butane | http://purl.obolibrary.org/obo/CHEBI_37808 | |
| butanedioyl | http://purl.obolibrary.org/obo/CHEBI_37952 | |
| butatriene | http://purl.obolibrary.org/obo/CHEBI_37609 | |
| butyrolactones | http://purl.obolibrary.org/obo/CHEBI_37581 | |
| caeside | http://purl.obolibrary.org/obo/CHEBI_37130 | |
| caeside(-I) | http://purl.obolibrary.org/obo/CHEBI_37130 | |
| caeside(1-) | http://purl.obolibrary.org/obo/CHEBI_37130 | |
| callose | http://purl.obolibrary.org/obo/CHEBI_37671 | |
| calteridol | http://purl.obolibrary.org/obo/CHEBI_37387 | |
| carboxamide | http://purl.obolibrary.org/obo/CHEBI_37622 | |
| carboxamides | http://purl.obolibrary.org/obo/CHEBI_37622 | |
| carboxyamino | http://purl.obolibrary.org/obo/CHEBI_37017 |