Methyl 4-cyano-2-hydroxy-5-(trifluoromethoxy)pyridine-3-carboxylate
4-Chloro-5-cyano-3-(trifluoromethoxy)pyridine-2-methanol
Methyl 5-cyano-3-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxylate
4-Chloro-3-cyano-2-(trifluoromethoxy)pyridine-5-methanol
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