3-(Difluoromethyl)-4-fluoro-2-nitropyridine-5-carboxamide
3-(Difluoromethyl)-2-fluoro-5-nitropyridine-4-carboxamide
4-(Difluoromethyl)-5-fluoro-3-nitropyridine-2-carboxamide
4-(Difluoromethyl)-3-fluoro-2-nitropyridine-6-carboxamide
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