5-Fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine-3-carbonyl chloride
2-Fluoro-5-iodo-6-(trifluoromethoxy)pyridine-3-carbonyl chloride
6-Fluoro-3-iodo-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
5-Fluoro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carbonyl chloride