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