| Label | Id | |
|---|---|---|
| acetylenediureine | http://purl.obolibrary.org/obo/CHEBI_42946 | |
| acetyleneurea | http://purl.obolibrary.org/obo/CHEBI_42946 | |
| glycoluril | http://purl.obolibrary.org/obo/CHEBI_42946 | |
| glyoxalbiuret | http://purl.obolibrary.org/obo/CHEBI_42946 | |
| glyoxaldiureine | http://purl.obolibrary.org/obo/CHEBI_42946 | |
| tetrahydroimidazo[4,5-d]imidazole-2,5(1H,3H)-dione | http://purl.obolibrary.org/obo/CHEBI_42946 | |
| acetylene carbamide | http://purl.obolibrary.org/obo/CHEBI_42946 | |
| diurea glyoxalate | http://purl.obolibrary.org/obo/CHEBI_42946 |