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