| Label | Id | |
|---|---|---|
| 3,4,5,6-tetrahydropyridinium-2-carboxylate | http://purl.obolibrary.org/obo/CHEBI_77631 | |
| Delta(1)-piperideine-2-carboxylate | http://purl.obolibrary.org/obo/CHEBI_77631 | |
| 1-piperideine-2-carboxylic acid zwitterion | http://purl.obolibrary.org/obo/CHEBI_77631 |
