| Label | Id | |
|---|---|---|
| (2S)-2-azaniumyl-3-(4-hydroxy-3-oxidopyridinium-1-yl)propanoate | http://purl.obolibrary.org/obo/CHEBI_77848 | |
| 3-(3,4-dihydroxypyridin-1-yl)-L-alanine | http://purl.obolibrary.org/obo/CHEBI_77848 | |
| 3-(3,4-dihydroxypyridinium-1-yl)-L-alanine zwitterion | http://purl.obolibrary.org/obo/CHEBI_77848 |