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