| Name | Metaprefix | URI |
|---|---|---|
| Ontology Concept Identifiers | ocid |
https://ocid.ontochem.com/prefname?ocid=190000021540 |
| Bioregistry | bioregistry |
https://bioregistry.io/ocid:190000021540 |
| Identifiers.org | miriam |
https://identifiers.org/ocid:190000021540 |