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