| Label | Id | |
|---|---|---|
| Fr(+) | http://purl.obolibrary.org/obo/CHEBI_33502 | |
| francium(1+) | http://purl.obolibrary.org/obo/CHEBI_33502 | |
| francium cation | http://purl.obolibrary.org/obo/CHEBI_33502 | |
| francium(1+) ion | http://purl.obolibrary.org/obo/CHEBI_33502 | |
| francium(I) cation | http://purl.obolibrary.org/obo/CHEBI_33502 |
