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