2-(Chloromethyl)-4-cyano-3-(difluoromethyl)-6-hydroxypyridine
4-Iodo-2-(methylthio)-5-(trifluoromethyl)pyridine
2-Bromo-6-chloro-4-(difluoromethyl)-3-nitropyridine
4-Hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylic acid
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