| Label | Id | |
|---|---|---|
| 5-hydroxy-6-methylpyridine-3,4-dicarboxylate | http://purl.obolibrary.org/obo/CHEBI_77620 | |
| 5-oxido-6-methylpyridinium-3,4-dicarboxylate | http://purl.obolibrary.org/obo/CHEBI_77620 | |
| 6-methyl-5-oxidopyridinium-3,4-dicarboxylate | http://purl.obolibrary.org/obo/CHEBI_77620 |
