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