| Label | Id | |
|---|---|---|
| (2S)-4-oxopyrrolidin-1-ium-2-carboxylate | http://purl.obolibrary.org/obo/CHEBI_84813 | |
| 4-oxo-L-proline | http://purl.obolibrary.org/obo/CHEBI_84813 | |
| 4-oxo-L-proline zwitterion | http://purl.obolibrary.org/obo/CHEBI_84813 |
| Label | Id | |
|---|---|---|
| (2S)-4-oxopyrrolidin-1-ium-2-carboxylate | http://purl.obolibrary.org/obo/CHEBI_84813 | |
| 4-oxo-L-proline | http://purl.obolibrary.org/obo/CHEBI_84813 | |
| 4-oxo-L-proline zwitterion | http://purl.obolibrary.org/obo/CHEBI_84813 |