3-Chloro-6-(difluoromethyl)-4-nitropyridine-2-carboxamide
4-Chloro-6-(difluoromethyl)-3-nitropyridine-2-carboxamide
3-Chloro-6-(difluoromethyl)-2-iodopyridine-5-carboxamide
5-Chloro-4-(difluoromethyl)-3-nitropyridine-2-carboxamide
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