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