3,5-Difluoro-4-(difluoromethyl)pyridine-2-carboxaldehyde
4,5-Difluoro-2-(difluoromethyl)pyridine-3-carboxaldehyde
5-(Chloromethyl)-2-(difluoromethyl)pyridine-4-sulfonamide
4,5-Difluoro-3-(difluoromethyl)pyridine-2-carboxaldehyde
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