5-Bromo-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetonitrile
4-Chloro-6-(fluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine
4-Bromo-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile
4-Bromo-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-acetonitrile