| Label | Id | |
|---|---|---|
| 1-pyrroline-3-hydroxy-5-carboxylic acid | http://purl.obolibrary.org/obo/CHEBI_27391 | |
| 4-hydroxy-3,4-dihydro-2H-pyrrole-2-carboxylic acid | http://purl.obolibrary.org/obo/CHEBI_27391 | 
| Label | Id | |
|---|---|---|
| 1-pyrroline-3-hydroxy-5-carboxylic acid | http://purl.obolibrary.org/obo/CHEBI_27391 | |
| 4-hydroxy-3,4-dihydro-2H-pyrrole-2-carboxylic acid | http://purl.obolibrary.org/obo/CHEBI_27391 |