2-(Difluoromethyl)-6-fluoro-4-nitro-3-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-5-fluoro-6-nitro-3-(trifluoromethoxy)pyridine
2-Hydroxy-3-methoxy-6-(trifluoromethoxy)pyridine-5-acetic acid
5-Fluoro-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-methanol