5-Cyano-3-fluoro-2-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Fluoro-5-(fluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine
3-Cyano-5-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Fluoro-3-iodo-4-nitro-6-(trifluoromethoxy)pyridine
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