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