5-Cyano-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Hydroxy-2-iodo-6-nitro-5-(trifluoromethoxy)pyridine
2-Fluoro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-methanol
4-Cyano-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylic acid