3-Bromopyridine-4-carboxaldehyde (CAS NO.70201-43-3), its Synonyms are 3-Bromoisonicotinaldehyde ; 4-Pyridinecarboxaldehyde, 3-bromo- ; 3-Bromo-4-formylpyridine ; 3-Bromo-4-pyridinecarboxaldehyde .