| Label | Id | |
|---|---|---|
| Chalkogen | http://purl.obolibrary.org/obo/CHEBI_33303 | |
| Chalkogene | http://purl.obolibrary.org/obo/CHEBI_33303 | |
| anfigeno | http://purl.obolibrary.org/obo/CHEBI_33303 | |
| anfigenos | http://purl.obolibrary.org/obo/CHEBI_33303 | |
| calcogeno | http://purl.obolibrary.org/obo/CHEBI_33303 | |
| calcogenos | http://purl.obolibrary.org/obo/CHEBI_33303 | |
| chalcogen | http://purl.obolibrary.org/obo/CHEBI_33303 | |
| chalcogene | http://purl.obolibrary.org/obo/CHEBI_33303 | |
| chalcogenes | http://purl.obolibrary.org/obo/CHEBI_33303 | |
| chalcogens | http://purl.obolibrary.org/obo/CHEBI_33303 | |
| group 16 elements | http://purl.obolibrary.org/obo/CHEBI_33303 | |
| group VI elements | http://purl.obolibrary.org/obo/CHEBI_33303 |