6-Bromo-2-mercaptonicotinonitrile
3-(Chloromethyl)-5-cyano-6-(difluoromethyl)-2-fluoropyridine
5-Methoxy-3-nitro-4-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Bromo-2-cyano-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
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