Methyl 4-fluoro-6-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate
2-Fluoro-4-hydroxy-5-nitro-3-(trifluoromethoxy)pyridine
2-Fluoro-3-hydroxy-6-nitro-5-(trifluoromethoxy)pyridine
3-Fluoro-2-methyl-6-(trifluoromethoxy)pyridine-4-acetic acid
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