4-Fluoro-6-hydroxy-3-nitro-2-(trifluoromethoxy)pyridine
5-Fluoro-3-hydroxy-4-nitro-2-(trifluoromethoxy)pyridine
5-Fluoro-4-hydroxy-3-nitro-2-(trifluoromethoxy)pyridine
5-Fluoro-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetonitrile
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