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