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