2-Bromo-5-(chloromethyl)-6-(difluoromethyl)pyridine-3-carboxaldehyde
Ethyl 3-bromo-2-(chloromethyl)-6-(difluoromethyl)pyridine-4-acetate
2-Bromo-6-(difluoromethyl)-5-nitropyridine-3-carboxaldehyde
6-Bromo-3-(chloromethyl)-4-(difluoromethyl)pyridine-2-carboxaldehyde