2-Chloro-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-carboxylic acid
2-Chloro-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-carboxylic acid
4-Cyano-5-hydroxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
2-Chloro-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylic acid