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