5-Fluoro-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
5-Fluoro-2-iodo-3-methoxy-6-(trifluoromethoxy)pyridine
3-Fluoro-4-iodo-6-methoxy-2-(trifluoromethoxy)pyridine
5-Fluoro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
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