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