| Label | Id | |
|---|---|---|
| (2R)-2-ammonio-3-[(carbamoylamino)oxy]propanoate | http://purl.obolibrary.org/obo/CHEBI_74158 | |
| (2R)-2-azaniumyl-3-[(carbamoylamino)oxy]propanoate | http://purl.obolibrary.org/obo/CHEBI_74158 | |
| O-ureido-D-serine | http://purl.obolibrary.org/obo/CHEBI_74158 | |
| O-(carbamoylamino)-D-serine zwitterion | http://purl.obolibrary.org/obo/CHEBI_74158 | |
| O-ureido-D-serine zwitterion | http://purl.obolibrary.org/obo/CHEBI_74158 |
