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