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