| Label | Id | |
|---|---|---|
| (2E)-4-[[(2S)-2-amino-2-carboxyethyl]amino]-4-oxobut-2-enoate | http://purl.obolibrary.org/obo/CHEBI_84331 | |
| (2S)-3-{[(2E)-4-amino-4-oxobut-2-enoyl]amino}-2-azaniumylpropanoate | http://purl.obolibrary.org/obo/CHEBI_84331 | |
| N(3)-fumaramoyl-(S)-2,3-diaminopropanoate | http://purl.obolibrary.org/obo/CHEBI_84331 | |
| N(3)-fumaramoyl-(S)-2,3-diaminopropanoic acid zwitterion | http://purl.obolibrary.org/obo/CHEBI_84331 |