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