| Label | Id | |
|---|---|---|
| ((18)O)water | http://purl.obolibrary.org/obo/CHEBI_33813 | |
| (18)OH2 | http://purl.obolibrary.org/obo/CHEBI_33813 | |
| H2(18)O | http://purl.obolibrary.org/obo/CHEBI_33813 | |
| water-(18)O | http://purl.obolibrary.org/obo/CHEBI_33813 | |
| heavy-oxygen water | http://purl.obolibrary.org/obo/CHEBI_33813 |
