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