5-Fluoro-2-hydroxy-3-(trifluoromethoxy)pyridine-4-sulfonamide
2-Fluoro-5-(fluoromethyl)-3-iodo-4-(trifluoromethoxy)pyridine
2-Fluoro-3-(fluoromethyl)-5-iodo-6-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-3-acetic acid