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