6-Bromo-3-fluoro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Bromo-5-fluoro-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-Bromo-4-(difluoromethyl)-3-methyl-5-(trifluoromethoxy)pyridine
2-Bromo-4-fluoro-6-(trifluoromethoxy)pyridine-3-carboxaldehyde