3-Chloro-6-cyano-4-(difluoromethyl)pyridine-2-carboxamide
5-Chloro-2-cyano-3-(difluoromethyl)pyridine-6-carboxamide
2-Chloro-6-(difluoromethyl)-4-fluoropyridine-3-carboxamide
2-Chloro-6-(difluoromethyl)-3-fluoropyridine-4-carboxamide
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