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