| Label | Id | |
|---|---|---|
| (4R)-2,6-dioxohexahydropyrimidine-4-carboxylic acid | http://purl.obolibrary.org/obo/CHEBI_30866 | |
| (R)-4,5-dihydroorotic acid | http://purl.obolibrary.org/obo/CHEBI_30866 | |
| (R)-dihydroorotic acid | http://purl.obolibrary.org/obo/CHEBI_30866 | |
| 4,5-dihydro-D-orotic acid | http://purl.obolibrary.org/obo/CHEBI_30866 |
