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