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