| Label | Id | |
|---|---|---|
| 1,3-ethyleneurea | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| 2-imidazolidinone | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| 2-imidazolidone | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| 2-oxoimidazolidine | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| 2-oxomidazolidine | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| N,N'-ethyleneurea | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| ethyleneurea | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| imidazolid-2-one | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| imidazolidin-2-one | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| monoethyleneurea | http://purl.obolibrary.org/obo/CHEBI_37001 | |
| ethylene urea | http://purl.obolibrary.org/obo/CHEBI_37001 |
