3-Cyano-5-fluoro-2-(trifluoromethoxy)pyridine-4-carboxylic acid
4-Fluoro-5-iodo-3-methyl-2-(trifluoromethoxy)pyridine
5-Fluoro-3-iodo-4-methyl-2-(trifluoromethoxy)pyridine
3-Cyano-4-fluoro-2-(trifluoromethoxy)pyridine-5-carboxylic acid
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