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