Methyl 3-cyano-2-(trifluoromethoxy)pyridine-6-carboxylate
5-Cyano-3-(trifluoromethoxy)pyridine-2-carboxylic acid
Methyl 3-cyano-2-(trifluoromethoxy)pyridine-4-carboxylate
3-Cyano-5-(trifluoromethoxy)pyridine-2-carboxylic acid
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