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