| Label | Id | |
|---|---|---|
| 5-amino-5-methyl-6-(2-oxo-1,3-diazabicyclo[2.2.0]hex-4-en-6-yl)dihydropyrimidine-2,4(1H,H)-dione | http://purl.obolibrary.org/obo/CHEBI_116315 | |
| 5-amino-5-methyl-6-{2-oxo-1,3-diazabicyclo[2.2.0]hex-4-en-6-yl}-1,3-diazinane-2,4-dione | http://purl.obolibrary.org/obo/CHEBI_116315 |