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