2-Cyano-5-fluoro-3-methyl-6-(trifluoromethoxy)pyridine
2-Cyano-5-nitro-6-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Cyano-4-fluoro-6-methyl-3-(trifluoromethoxy)pyridine
6-Cyano-4-nitro-2-(trifluoromethoxy)pyridine-3-carboxylic acid
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