| Label | Id | |
|---|---|---|
| 1,1'-biphenylene | http://purl.obolibrary.org/obo/CHEBI_33079 | |
| biphenylene | http://purl.obolibrary.org/obo/CHEBI_33079 | |
| cyclobutadibenzene | http://purl.obolibrary.org/obo/CHEBI_33079 | |
| dibenzocyclobutadiene | http://purl.obolibrary.org/obo/CHEBI_33079 | |
| diphenylene | http://purl.obolibrary.org/obo/CHEBI_33079 |
