| Label | Id | |
|---|---|---|
| actinides | http://purl.obolibrary.org/obo/CHEBI_33320 | |
| actinoid | http://purl.obolibrary.org/obo/CHEBI_33320 | |
| actinoids | http://purl.obolibrary.org/obo/CHEBI_33320 | |
| Calycanthidine | http://purl.obolibrary.org/obo/CHEBI_3332 | |
| oxides of silicon | http://purl.obolibrary.org/obo/CHEBI_33327 | |
| strontium | http://purl.obolibrary.org/obo/CHEBI_33324 | |
| rare earth metal | http://purl.obolibrary.org/obo/CHEBI_33321 | |
| rare earth metal atom | http://purl.obolibrary.org/obo/CHEBI_33321 | |
| rare earth metals | http://purl.obolibrary.org/obo/CHEBI_33321 | |
| francio | http://purl.obolibrary.org/obo/CHEBI_33323 | |
| francium | http://purl.obolibrary.org/obo/CHEBI_33323 | |
| rubidio | http://purl.obolibrary.org/obo/CHEBI_33322 | |
| rubidium | http://purl.obolibrary.org/obo/CHEBI_33322 | |
| actinoid atom | http://purl.obolibrary.org/obo/CHEBI_33320 | |
| rubidium atom | http://purl.obolibrary.org/obo/CHEBI_33322 |