3-Bromo-4-cyano-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Bromo-2-cyano-6-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-Bromo-2-chloro-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
3-Bromo-2-cyano-4-(trifluoromethoxy)pyridine-6-carboxaldehyde