| Provider Name | Provider Code | URI |
|---|---|---|
| Earth Metabolome Ontology | emi |
https://www.dbgi.org/earth_metabolome_ontology/#ChemicalStructure |
| Earth Metabolome Ontology (RDF) | rdf |
https://purl.org/emi#ChemicalStructure |
| Bioregistry | bioregistry |
https://bioregistry.io/emi:ChemicalStructure |