2-Cyano-4-fluoro-3-hydroxy-6-(trifluoromethoxy)pyridine
4-Chloro-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylic acid
4-Chloro-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Fluoro-5-methoxy-2-(trifluoromethoxy)pyridine-6-methanol