3-(Difluoromethyl)-4-methyl-2-nitropyridine-5-sulfonamide
5-(Difluoromethyl)-2-methyl-3-nitropyridine-6-carboxamide
3-(Difluoromethyl)-2-methyl-6-nitropyridine-4-sulfonamide
4-(Difluoromethyl)-5-methyl-2-nitropyridine-3-carboxamide
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