| Label | Id | |
|---|---|---|
| 1,2-Didehydropiperidine-2-carboxylate | http://purl.obolibrary.org/obo/CHEBI_30912 | |
| 1-piperideine-2-carboxylic acid | http://purl.obolibrary.org/obo/CHEBI_30912 | |
| 3,4,5,6-tetrahydropyridine-2-carboxylic acid | http://purl.obolibrary.org/obo/CHEBI_30912 | |
| Delta(1)-piperidine-2-carboxylic acid | http://purl.obolibrary.org/obo/CHEBI_30912 |
