3-Methyl-5-nitroisonicotinonitrile
5-Cyano-3-iodo-2-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Chloro-4-(difluoromethyl)-2-methoxypyridine
4-Chloro-3-(difluoromethyl)-2-hydroxy-5-methylpyridine
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