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