2,3-Dibromo-5-(difluoromethyl)pyridine-6-carboxamide
3,4-Diamino-2-(difluoromethyl)pyridine-5-carboxamide
2,6-Diamino-3-(difluoromethyl)pyridine-4-carboxamide
2,5-Diamino-3-(difluoromethyl)pyridine-4-carboxamide
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