| Label | Id | |
|---|---|---|
| 4-(5,6-diamino-2-oxo-2,3,4,5-tetrahydropyrimidin-4-yl)-1,2-dihydropyrimidin-2-one | http://purl.obolibrary.org/obo/CHEBI_115959 | |
| 4-(5,6-diamino-2-oxo-4,5-dihydro-3H-pyrimidin-4-yl)-1H-pyrimidin-2-one | http://purl.obolibrary.org/obo/CHEBI_115959 | |
| 5',6'-diamino-4',5'-dihydro[4,4'-bipyrimidine]-2,2'(1H,3'H)-dione | http://purl.obolibrary.org/obo/CHEBI_115959 |