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