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