| Label | Id | |
|---|---|---|
| (18)8O | http://purl.obolibrary.org/obo/CHEBI_33815 | |
| (18)O | http://purl.obolibrary.org/obo/CHEBI_33815 | |
| oxygen-18 | http://purl.obolibrary.org/obo/CHEBI_33815 | |
| heavy oxygen | http://purl.obolibrary.org/obo/CHEBI_33815 | |
| oxygen-18 atom | http://purl.obolibrary.org/obo/CHEBI_33815 | |
| schwerer Sauerstoff | http://purl.obolibrary.org/obo/CHEBI_33815 | |
| oxygen, isotope of mass 18 | http://purl.obolibrary.org/obo/CHEBI_33815 |
