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