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