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