| Label | Id | |
|---|---|---|
| F2(+) | http://purl.obolibrary.org/obo/CHEBI_30237 | |
| F2+ | http://purl.obolibrary.org/obo/CHEBI_30237 | |
| [F2](.+) | http://purl.obolibrary.org/obo/CHEBI_30237 | |
| difluorine(.1+) | http://purl.obolibrary.org/obo/CHEBI_30237 | |
| difluorine(1+) | http://purl.obolibrary.org/obo/CHEBI_30237 |
