2-Bromo-3-chloro-5-(difluoromethyl)pyridine-4-carboxamide
3-Amino-6-(difluoromethyl)-2-nitropyridine-5-carboxamide
5-Amino-2-(difluoromethyl)-4-nitropyridine-3-carboxamide
5-Amino-2-(difluoromethyl)-3-nitropyridine-4-carboxamide
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