Synonyms:
4-pyridinecarboxaldehyde,2,3,5,6-tetrachloro- ; 2,3,5,6-tetrachloropyridine-4-carboxaldehyde ; 2,3,5,6-tetrachloroisonicotinaldehyde ; 2,3,5,6-tetrachloro-4-pyridinecarboxaldehyde ; 2,3,5,6-tetrachloro-1-formylpyridine-4-carboxylic acid ; 2,3,5,6-tetrachlorop