| Label | Id | |
|---|---|---|
| cyclobuta-1,3-diene | http://purl.obolibrary.org/obo/CHEBI_33657 | |
| cyclobutadiene | http://purl.obolibrary.org/obo/CHEBI_33657 |
| Label | Id | |
|---|---|---|
| cyclobuta-1,3-diene | http://purl.obolibrary.org/obo/CHEBI_33657 | |
| cyclobutadiene | http://purl.obolibrary.org/obo/CHEBI_33657 |