2-Fluoro-6-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid
3-(Chloromethyl)-2-fluoro-5-iodo-6-(trifluoromethoxy)pyridine
2-Fluoro-3-hydroxy-6-(trifluoromethoxy)pyridine-5-carboxylic acid
6-(Chloromethyl)-4-fluoro-3-iodo-2-(trifluoromethoxy)pyridine