| Name | Metaprefix | URI |
|---|---|---|
| Relation Ontology | ro |
http://purl.obolibrary.org/obo/RO_0002533 |
| Bioregistry | bioregistry |
https://bioregistry.io/ro:0002533 |
| Identifiers.org | miriam |
https://identifiers.org/ro:RO_0002533 |
| Name-to-Thing | n2t |
https://n2t.net/ro:0002533 |