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