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