6-Chloro-4-oxo-1,4-dihydropyridine-3-carboxylic acid
2-Chloro-6-fluoro-3-phenylpyridine
2-Hydroxy-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
5-Cyano-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylic acid
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