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