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