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