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