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