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