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